222400684831020 has 48 divisors (see below), whose sum is σ = 622725320974848. Its totient is φ = 59306525150400.

The previous prime is 222400684830971. The next prime is 222400684831043. The reversal of 222400684831020 is 20138486004222.

It is a super-2 number, since 2×222400684831020² (a number of 29 digits) contains 22 as substring.

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, 1042077 + ... + 21116043.

It is an arithmetic number, because the mean of its divisors is an integer number (12973444186976).

Almost surely, 2^{222400684831020} is an apocalyptic number.

222400684831020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222400684831020 is an abundant number, since it is smaller than the sum of its proper divisors (400324636143828).

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

222400684831020 is a wasteful number, since it uses less digits than its factorization.

222400684831020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20258630 (or 20258628 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 222400684831020 in words is "two hundred twenty-two trillion, four hundred billion, six hundred eighty-four million, eight hundred thirty-one thousand, twenty".