22878792 has 48 divisors (see below), whose sum is σ = 62316540. Its totient is φ = 7582848.

The previous prime is 22878781. The next prime is 22878803. The reversal of 22878792 is 29787822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22878781) and next prime (22878803).

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 3218436 = 4434^2 + 1794^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13378 + ... + 14990.

Almost surely, 2^22878792 is an apocalyptic number.

It is an amenable number.

22878792 is an abundant number, since it is smaller than the sum of its proper divisors (39437748).

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

22878792 is a wasteful number, since it uses less digits than its factorization.

22878792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822 (or 1815 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 22878792 is about 4783.1780230303. The cubic root of 22878792 is about 283.8862534635.

The spelling of 22878792 in words is "twenty-two million, eight hundred seventy-eight thousand, seven hundred ninety-two".