22320013232 has 20 divisors (see below), whose sum is σ = 47176391976. Its totient is φ = 10145460480.

The previous prime is 22320013223. The next prime is 22320013249. The reversal of 22320013232 is 23231002322.

It is a super-3 number, since 3×22320013232³ (a number of 32 digits) contains 333 as substring.

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, 63408953 + ... + 63409304.

Almost surely, 2^22320013232 is an apocalyptic number.

22320013232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22320013232 is an abundant number, since it is smaller than the sum of its proper divisors (24856378744).

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

22320013232 is a wasteful number, since it uses less digits than its factorization.

22320013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126818276 (or 126818270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22320013232 its reverse (23231002322), we get a palindrome (45551015554).

The spelling of 22320013232 in words is "twenty-two billion, three hundred twenty million, thirteen thousand, two hundred thirty-two".