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22222020311 = 113402148907
BaseRepresentation
bin10100101100100010…
…010001111011010111
32010100200122121002022
4110230202101323113
5331002314122221
614113023003355
71414453025141
oct245442217327
963320577068
1022222020311
119473829847
12438213955b
132131b4915a
14110b455c91
158a0d874ab
hex52c891ed7

22222020311 has 8 divisors (see below), whose sum is σ = 22424709264. Its totient is φ = 22019437440.

The previous prime is 22222020283. The next prime is 22222020341. The reversal of 22222020311 is 11302022222.

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

It is a cyclic number.

It is not a de Polignac number, because 22222020311 - 226 = 22154911447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222020341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429920 + ... + 478826.

It is an arithmetic number, because the mean of its divisors is an integer number (2803088658).

Almost surely, 222222020311 is an apocalyptic number.

22222020311 is a deficient number, since it is larger than the sum of its proper divisors (202688953).

22222020311 is a wasteful number, since it uses less digits than its factorization.

22222020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53041.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22222020311 its reverse (11302022222), we get a palindrome (33524042533).

The spelling of 22222020311 in words is "twenty-two billion, two hundred twenty-two million, twenty thousand, three hundred eleven".

Divisors: 1 113 4021 48907 454373 5526491 196655047 22222020311