22219685904 has 40 divisors (see below), whose sum is σ = 61816307392. Its totient is φ = 6836826240.

The previous prime is 22219685903. The next prime is 22219685909. The reversal of 22219685904 is 40958691222.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (22219685903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17803612 + ... + 17804859.

Almost surely, 2^22219685904 is an apocalyptic number.

22219685904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22219685904 is an abundant number, since it is smaller than the sum of its proper divisors (39596621488).

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

22219685904 is a wasteful number, since it uses less digits than its factorization.

22219685904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35608495 (or 35608489 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 22219685904 in words is "twenty-two billion, two hundred nineteen million, six hundred eighty-five thousand, nine hundred four".