22613622650 has 12 divisors (see below), whose sum is σ = 42061338222. Its totient is φ = 9045449040.

The previous prime is 22613622623. The next prime is 22613622659. The reversal of 22613622650 is 5622631622.

It can be written as a sum of positive squares in 3 ways, for example, as 22018701769 + 594920881 = 148387^2 + 24391^2 .

It is a super-2 number, since 2×22613622650² (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 22613622650.

It is not an unprimeable number, because it can be changed into a prime (22613622659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226136177 + ... + 226136276.

Almost surely, 2^22613622650 is an apocalyptic number.

22613622650 is a deficient number, since it is larger than the sum of its proper divisors (19447715572).

22613622650 is a wasteful number, since it uses less digits than its factorization.

22613622650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452272465 (or 452272460 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 22613622650 in words is "twenty-two billion, six hundred thirteen million, six hundred twenty-two thousand, six hundred fifty".