22002233232 has 60 divisors (see below), whose sum is σ = 66118963056. Its totient is φ = 6286351680.

The previous prime is 22002233219. The next prime is 22002233243. The reversal of 22002233232 is 23233220022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22002233199 and 22002233208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4674994 + ... + 4679697.

Almost surely, 2^22002233232 is an apocalyptic number.

It is an amenable number.

22002233232 is an abundant number, since it is smaller than the sum of its proper divisors (44116729824).

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

22002233232 is a wasteful number, since it uses less digits than its factorization.

22002233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354716 (or 9354703 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 22002233232 its reverse (23233220022), we get a palindrome (45235453254).

The spelling of 22002233232 in words is "twenty-two billion, two million, two hundred thirty-three thousand, two hundred thirty-two".