22052565231 has 16 divisors (see below), whose sum is σ = 29764022400. Its totient is φ = 14521484960.

The previous prime is 22052565217. The next prime is 22052565233. The reversal of 22052565231 is 13256525022.

It is a cyclic number.

It is not a de Polignac number, because 22052565231 - 2⁷ = 22052565103 is a prime.

It is a super-2 number, since 2×22052565231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22052565192 and 22052565201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052565233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160961 + ... + 2171141.

It is an arithmetic number, because the mean of its divisors is an integer number (1860251400).

Almost surely, 2^22052565231 is an apocalyptic number.

22052565231 is a deficient number, since it is larger than the sum of its proper divisors (7711457169).

22052565231 is a wasteful number, since it uses less digits than its factorization.

22052565231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18966.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 22052565231 in words is "twenty-two billion, fifty-two million, five hundred sixty-five thousand, two hundred thirty-one".