22678909844 has 12 divisors (see below), whose sum is σ = 40611071424. Its totient is φ = 11075746584.

The previous prime is 22678909843. The next prime is 22678909849. The reversal of 22678909844 is 44890987622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22678909843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65926892 + ... + 65927235.

It is an arithmetic number, because the mean of its divisors is an integer number (3384255952).

Almost surely, 2^22678909844 is an apocalyptic number.

It is an amenable number.

22678909844 is a deficient number, since it is larger than the sum of its proper divisors (17932161580).

22678909844 is a wasteful number, since it uses less digits than its factorization.

22678909844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131854174 (or 131854172 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 22678909844 in words is "twenty-two billion, six hundred seventy-eight million, nine hundred nine thousand, eight hundred forty-four".