22231312110 has 64 divisors (see below), whose sum is σ = 67752576000. Its totient is φ = 5081442336.

The previous prime is 22231312099. The next prime is 22231312123. The reversal of 22231312110 is 1121313222.

22231312110 is a `hidden beast` number, since 222 + 313 + 121 + 10 = 666.

22231312110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 5879410 + ... + 5883189.

It is an arithmetic number, because the mean of its divisors is an integer number (1058634000).

Almost surely, 2^22231312110 is an apocalyptic number.

22231312110 is an abundant number, since it is smaller than the sum of its proper divisors (45521263890).

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

22231312110 is a wasteful number, since it uses less digits than its factorization.

22231312110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762622 (or 11762616 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22231312110 its reverse (1121313222), we get a palindrome (23352625332).

The spelling of 22231312110 in words is "twenty-two billion, two hundred thirty-one million, three hundred twelve thousand, one hundred ten".