22788044 has 18 divisors (see below), whose sum is σ = 40761420. Its totient is φ = 11147272.

The previous prime is 22788037. The next prime is 22788061. The reversal of 22788044 is 44088722.

It is a junction number, because it is equal to n+sod(n) for n = 22787995 and 22788013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7547 + ... + 10125.

Almost surely, 2^22788044 is an apocalyptic number.

It is an amenable number.

22788044 is a deficient number, since it is larger than the sum of its proper divisors (17973376).

22788044 is a wasteful number, since it uses less digits than its factorization.

22788044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 22788044 is about 4773.6824360236. The cubic root of 22788044 is about 283.5104141780.

The spelling of 22788044 in words is "twenty-two million, seven hundred eighty-eight thousand, forty-four".