22878364 has 12 divisors (see below), whose sum is σ = 40343688. Its totient is φ = 11351600.

The previous prime is 22878347. The next prime is 22878367. The reversal of 22878364 is 46387822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22878367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21307 + ... + 22354.

It is an arithmetic number, because the mean of its divisors is an integer number (3361974).

Almost surely, 2^22878364 is an apocalyptic number.

It is an amenable number.

22878364 is a deficient number, since it is larger than the sum of its proper divisors (17465324).

22878364 is a wasteful number, since it uses less digits than its factorization.

22878364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43796 (or 43794 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 22878364 is about 4783.1332826924. The cubic root of 22878364 is about 283.8844832058.

The spelling of 22878364 in words is "twenty-two million, eight hundred seventy-eight thousand, three hundred sixty-four".