22553502690 has 32 divisors (see below), whose sum is σ = 54269761536. Its totient is φ = 5998561280.

The previous prime is 22553502667. The next prime is 22553502691. The reversal of 22553502690 is 9620535522.

It is a super-2 number, since 2×22553502690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22553502691) 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, 969951 + ... + 992930.

It is an arithmetic number, because the mean of its divisors is an integer number (1695930048).

Almost surely, 2^22553502690 is an apocalyptic number.

22553502690 is an abundant number, since it is smaller than the sum of its proper divisors (31716258846).

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

22553502690 is a wasteful number, since it uses less digits than its factorization.

22553502690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963274.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 22553502690 in words is "twenty-two billion, five hundred fifty-three million, five hundred two thousand, six hundred ninety".