22231131232 has 48 divisors (see below), whose sum is σ = 43949594304. Its totient is φ = 11069440000.

The previous prime is 22231131191. The next prime is 22231131269. The reversal of 22231131232 is 23213113222.

It is a congruent number.

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, 9454857 + ... + 9457207.

It is an arithmetic number, because the mean of its divisors is an integer number (915616548).

Almost surely, 2^22231131232 is an apocalyptic number.

It is an amenable number.

22231131232 is a deficient number, since it is larger than the sum of its proper divisors (21718463072).

22231131232 is a wasteful number, since it uses less digits than its factorization.

22231131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463 (or 3455 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 22231131232 its reverse (23213113222), we get a palindrome (45444244454).

The spelling of 22231131232 in words is "twenty-two billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".