22522457418 has 16 divisors (see below), whose sum is σ = 45181006176. Its totient is φ = 7484803920.

The previous prime is 22522457413. The next prime is 22522457423. The reversal of 22522457418 is 81475422522.

It is an interprime number because it is at equal distance from previous prime (22522457413) and next prime (22522457423).

It is a super-2 number, since 2×22522457418² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22522457418.

It is not an unprimeable number, because it can be changed into a prime (22522457413) 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 7 ways as a sum of consecutive naturals, for example, 5668321 + ... + 5672292.

It is an arithmetic number, because the mean of its divisors is an integer number (2823812886).

Almost surely, 2^22522457418 is an apocalyptic number.

22522457418 is an abundant number, since it is smaller than the sum of its proper divisors (22658548758).

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

22522457418 is a wasteful number, since it uses less digits than its factorization.

22522457418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340949.

The product of its digits is 358400, while the sum is 42.

The spelling of 22522457418 in words is "twenty-two billion, five hundred twenty-two million, four hundred fifty-seven thousand, four hundred eighteen".