22212332320 has 24 divisors (see below), whose sum is σ = 52476635484. Its totient is φ = 8884932864.

The previous prime is 22212332309. The next prime is 22212332339. The reversal of 22212332320 is 2323321222.

It can be written as a sum of positive squares in 2 ways, for example, as 20553236496 + 1659095824 = 143364^2 + 40732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212332291 and 22212332300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69413379 + ... + 69413698.

Almost surely, 2^22212332320 is an apocalyptic number.

22212332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212332320 is an abundant number, since it is smaller than the sum of its proper divisors (30264303164).

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

22212332320 is a wasteful number, since it uses less digits than its factorization.

22212332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138827092 (or 138827084 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22212332320 its reverse (2323321222), we get a palindrome (24535653542).

The spelling of 22212332320 in words is "twenty-two billion, two hundred twelve million, three hundred thirty-two thousand, three hundred twenty".