22036878844 has 12 divisors (see below), whose sum is σ = 38602765600. Its totient is φ = 11007517248.

The previous prime is 22036878833. The next prime is 22036878863. The reversal of 22036878844 is 44887863022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22036878791 and 22036878800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726004 + ... + 2734075.

Almost surely, 2^22036878844 is an apocalyptic number.

It is an amenable number.

22036878844 is a deficient number, since it is larger than the sum of its proper divisors (16565886756).

22036878844 is a wasteful number, since it uses less digits than its factorization.

22036878844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461092 (or 5461090 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 22036878844 in words is "twenty-two billion, thirty-six million, eight hundred seventy-eight thousand, eight hundred forty-four".