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2220021222222 = 2317316091329241
BaseRepresentation
bin100000010011100011100…
…100111000101101001110
321212020021002121000010110
4200103203210320231032
5242333100413102342
64415510315220450
7316251124015236
oct40234344705516
97766232530113
102220021222222
11786562116631
122ba308747726
1313146877b9ab
14796419bccc6
153cb33eb0c9c
hex204e3938b4e

2220021222222 has 32 divisors (see below), whose sum is σ = 4468486246560. Its totient is φ = 735271764480.

The previous prime is 2220021222073. The next prime is 2220021222229. The reversal of 2220021222222 is 2222221200222.

It is a super-3 number, since 3×22200212222223 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220021222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005522 + ... + 2334762.

It is an arithmetic number, because the mean of its divisors is an integer number (139640195205).

Almost surely, 22220021222222 is an apocalyptic number.

2220021222222 is an abundant number, since it is smaller than the sum of its proper divisors (2248465024338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220021222222 is a wasteful number, since it uses less digits than its factorization.

2220021222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331028.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2220021222222 its reverse (2222221200222), we get a palindrome (4442242422444).

The spelling of 2220021222222 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 173 346 519 1038 1609 3218 4827 9654 278357 556714 835071 1329241 1670142 2658482 3987723 7975446 229958693 459917386 689876079 1379752158 2138748769 4277497538 6416246307 12832492614 370003537037 740007074074 1110010611111 2220021222222