22350997506 has 16 divisors (see below), whose sum is σ = 44704088064. Its totient is φ = 7449983664.

The previous prime is 22350997483. The next prime is 22350997511. The reversal of 22350997506 is 60579905322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74751 + ... + 224253.

It is an arithmetic number, because the mean of its divisors is an integer number (2794005504).

Almost surely, 2^22350997506 is an apocalyptic number.

It is a pronic number, being equal to 149502×149503.

22350997506 is an abundant number, since it is smaller than the sum of its proper divisors (22353090558).

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

22350997506 is a wasteful number, since it uses less digits than its factorization.

22350997506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174425.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 22350997506 in words is "twenty-two billion, three hundred fifty million, nine hundred ninety-seven thousand, five hundred six".