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22011020222 = 293911171921
BaseRepresentation
bin10100011111111101…
…011000001110111110
32002210222121200101012
4110133331120032332
5330034310121342
614040044315222
71406311404422
oct243775301676
962728550335
1022011020222
119375713304
124323542b12
1320ca210029
1410cb40cb82
1588c5a8b82
hex51ff583be

22011020222 has 8 divisors (see below), whose sum is σ = 33020074272. Its totient is φ = 11004328800.

The previous prime is 22011020221. The next prime is 22011020261. The reversal of 22011020222 is 22202011022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220110202222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011020197 and 22011020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567179 + ... + 604742.

It is an arithmetic number, because the mean of its divisors is an integer number (4127509284).

Almost surely, 222011020222 is an apocalyptic number.

22011020222 is a deficient number, since it is larger than the sum of its proper divisors (11009054050).

22011020222 is a wasteful number, since it uses less digits than its factorization.

22011020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181314.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22011020222 its reverse (22202011022), we get a palindrome (44213031244).

The spelling of 22011020222 in words is "twenty-two billion, eleven million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 9391 18782 1171921 2343842 11005510111 22011020222