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222222012002122 = 211732391505338461
BaseRepresentation
bin110010100001110000011000…
…000101100010111101001010
31002010211012212002200122222111
4302201300120011202331022
5213111341140033031442
62104343214420212534
764544003421616006
oct6241603005427512
91063735762618874
10222222012002122
116489690a506360
1220b1014623a14a
1396cc5a45bb072
143cc3861dd9706
151aa5787a76b17
hexca1c18162f4a

222222012002122 has 64 divisors (see below), whose sum is σ = 370193882273280. Its totient is φ = 99200290291200.

The previous prime is 222222012002119. The next prime is 222222012002129. The reversal of 222222012002122 is 221200210222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222222012002093 and 222222012002102.

It is not an unprimeable number, because it can be changed into a prime (222222012002129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5777833972 + ... + 5777872432.

It is an arithmetic number, because the mean of its divisors is an integer number (5784279410520).

Almost surely, 2222222012002122 is an apocalyptic number.

222222012002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222012002122 is a deficient number, since it is larger than the sum of its proper divisors (147971870271158).

222222012002122 is a wasteful number, since it uses less digits than its factorization.

222222012002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53839.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222012002122 its reverse (221200210222222), we get a palindrome (443422222224344).

The spelling of 222222012002122 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twelve million, two thousand, one hundred twenty-two".

Divisors: 1 2 11 22 73 146 239 478 803 1606 2629 5258 15053 17447 30106 34894 38461 76922 165583 191917 331166 383834 423071 846142 1098869 2197738 2807653 3597667 5615306 7195334 9192179 12087559 18384358 24175118 30884183 39574337 61768366 79148674 101113969 202227938 262629691 525259382 578953433 671029067 1157906866 1342058134 2888926601 5777853202 6368487763 7381319737 12736975526 14762639474 42263600609 84527201218 138369870487 276739740974 464899606699 929799213398 1522068575357 3044137150714 10101000545551 20202001091102 111111006001061 222222012002122