22013231304 has 16 divisors (see below), whose sum is σ = 55033078320. Its totient is φ = 7337743760.

The previous prime is 22013231293. The next prime is 22013231323. The reversal of 22013231304 is 40313231022.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 458608962 + ... + 458609009.

It is an arithmetic number, because the mean of its divisors is an integer number (3439567395).

Almost surely, 2^22013231304 is an apocalyptic number.

22013231304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22013231304 is an abundant number, since it is smaller than the sum of its proper divisors (33019847016).

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

22013231304 is a wasteful number, since it uses less digits than its factorization.

22013231304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917217980 (or 917217976 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22013231304 its reverse (40313231022), we get a palindrome (62326462326).

The spelling of 22013231304 in words is "twenty-two billion, thirteen million, two hundred thirty-one thousand, three hundred four".