22399978233 has 16 divisors (see below), whose sum is σ = 30855159296. Its totient is φ = 14439841920.

The previous prime is 22399978217. The next prime is 22399978283. The reversal of 22399978233 is 33287999322.

It is not a de Polignac number, because 22399978233 - 2⁴ = 22399978217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22399978283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17685 + ... + 212397.

It is an arithmetic number, because the mean of its divisors is an integer number (1928447456).

Almost surely, 2^22399978233 is an apocalyptic number.

It is an amenable number.

22399978233 is a deficient number, since it is larger than the sum of its proper divisors (8455181063).

22399978233 is a wasteful number, since it uses less digits than its factorization.

22399978233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195984.

The product of its digits is 8817984, while the sum is 57.

The spelling of 22399978233 in words is "twenty-two billion, three hundred ninety-nine million, nine hundred seventy-eight thousand, two hundred thirty-three".