22513512630 has 64 divisors (see below), whose sum is σ = 62064921600. Its totient is φ = 5119814784.

The previous prime is 22513512613. The next prime is 22513512691. The reversal of 22513512630 is 3621531522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230730 + ... + 313469.

It is an arithmetic number, because the mean of its divisors is an integer number (969764400).

Almost surely, 2^22513512630 is an apocalyptic number.

22513512630 is an abundant number, since it is smaller than the sum of its proper divisors (39551408970).

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

22513512630 is a wasteful number, since it uses less digits than its factorization.

22513512630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544413.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 22513512630 in words is "twenty-two billion, five hundred thirteen million, five hundred twelve thousand, six hundred thirty".