21999319422322 has 32 divisors (see below), whose sum is σ = 36134764848000. Its totient is φ = 9961961923200.

The previous prime is 21999319422313. The next prime is 21999319422341. The reversal of 21999319422322 is 22322491399912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28545304 + ... + 29305852.

It is an arithmetic number, because the mean of its divisors is an integer number (1129211401500).

Almost surely, 2^{21999319422322} is an apocalyptic number.

21999319422322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21999319422322 is a deficient number, since it is larger than the sum of its proper divisors (14135445425678).

21999319422322 is a wasteful number, since it uses less digits than its factorization.

21999319422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765522.

The product of its digits is 7558272, while the sum is 58.

The spelling of 21999319422322 in words is "twenty-one trillion, nine hundred ninety-nine billion, three hundred nineteen million, four hundred twenty-two thousand, three hundred twenty-two".