22868784 has 40 divisors (see below), whose sum is σ = 65643120. Its totient is φ = 7622784.

The previous prime is 22868779. The next prime is 22868809. The reversal of 22868784 is 48786822.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26037 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (1641078).

Almost surely, 2^22868784 is an apocalyptic number.

22868784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22868784 is an abundant number, since it is smaller than the sum of its proper divisors (42774336).

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

22868784 is a wasteful number, since it uses less digits than its factorization.

22868784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52954 (or 52942 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 22868784 is about 4782.1317422254. The cubic root of 22868784 is about 283.8448534339.

The spelling of 22868784 in words is "twenty-two million, eight hundred sixty-eight thousand, seven hundred eighty-four".