22040888402 has 32 divisors (see below), whose sum is σ = 37700342400. Its totient is φ = 9637275024.

The previous prime is 22040888381. The next prime is 22040888411. The reversal of 22040888402 is 20488804022.

It is a happy number.

It is a super-2 number, since 2×22040888402² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 48518 + ... + 215489.

It is an arithmetic number, because the mean of its divisors is an integer number (1178135700).

Almost surely, 2^22040888402 is an apocalyptic number.

22040888402 is a deficient number, since it is larger than the sum of its proper divisors (15659453998).

22040888402 is a wasteful number, since it uses less digits than its factorization.

22040888402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264067 (or 264041 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The spelling of 22040888402 in words is "twenty-two billion, forty million, eight hundred eighty-eight thousand, four hundred two".