22213231032 has 16 divisors (see below), whose sum is σ = 55533077640. Its totient is φ = 7404410336.

The previous prime is 22213231021. The next prime is 22213231057. The reversal of 22213231032 is 23013231222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462775623 + ... + 462775670.

Almost surely, 2^22213231032 is an apocalyptic number.

It is an amenable number.

22213231032 is an abundant number, since it is smaller than the sum of its proper divisors (33319846608).

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

22213231032 is a wasteful number, since it uses less digits than its factorization.

22213231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925551302 (or 925551298 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22213231032 its reverse (23013231222), we get a palindrome (45226462254).

The spelling of 22213231032 in words is "twenty-two billion, two hundred thirteen million, two hundred thirty-one thousand, thirty-two".