22369312878 has 64 divisors (see below), whose sum is σ = 53343774720. Its totient is φ = 6174028800.

The previous prime is 22369312859. The next prime is 22369312891. The reversal of 22369312878 is 87821396322.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 22369312878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286783 + ... + 356346.

It is an arithmetic number, because the mean of its divisors is an integer number (833496480).

Almost surely, 2^22369312878 is an apocalyptic number.

22369312878 is an abundant number, since it is smaller than the sum of its proper divisors (30974461842).

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

22369312878 is a wasteful number, since it uses less digits than its factorization.

22369312878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643193.

The product of its digits is 1741824, while the sum is 51.

The spelling of 22369312878 in words is "twenty-two billion, three hundred sixty-nine million, three hundred twelve thousand, eight hundred seventy-eight".