22522225531 has 16 divisors (see below), whose sum is σ = 25450709760. Its totient is φ = 19774703520.

The previous prime is 22522225513. The next prime is 22522225547. The reversal of 22522225531 is 13552222522.

It is a happy number.

It is not a de Polignac number, because 22522225531 - 2⁵ = 22522225499 is a prime.

It is a super-2 number, since 2×22522225531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22522225493 and 22522225502.

It is not an unprimeable number, because it can be changed into a prime (22522225511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156885 + ... + 263926.

It is an arithmetic number, because the mean of its divisors is an integer number (1590669360).

Almost surely, 2^22522225531 is an apocalyptic number.

22522225531 is a deficient number, since it is larger than the sum of its proper divisors (2928484229).

22522225531 is a wasteful number, since it uses less digits than its factorization.

22522225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421026.

The product of its digits is 24000, while the sum is 31.

The spelling of 22522225531 in words is "twenty-two billion, five hundred twenty-two million, two hundred twenty-five thousand, five hundred thirty-one".