22213203232 has 36 divisors (see below), whose sum is σ = 48069334278. Its totient is φ = 10096908800.

The previous prime is 22213203211. The next prime is 22213203239. The reversal of 22213203232 is 23230231222.

It can be written as a sum of positive squares in only one way, i.e., 14844010896 + 7369192336 = 121836^2 + 85844^2 .

It is a super-2 number, since 2×22213203232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22213203239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2864569 + ... + 2872312.

Almost surely, 2^22213203232 is an apocalyptic number.

22213203232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22213203232 is an abundant number, since it is smaller than the sum of its proper divisors (25856131046).

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

22213203232 is a wasteful number, since it uses less digits than its factorization.

22213203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736913 (or 5736894 counting only the distinct ones).

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

Adding to 22213203232 its reverse (23230231222), we get a palindrome (45443434454).

The spelling of 22213203232 in words is "twenty-two billion, two hundred thirteen million, two hundred three thousand, two hundred thirty-two".