22793864 has 8 divisors (see below), whose sum is σ = 42738510. Its totient is φ = 11396928.

The previous prime is 22793861. The next prime is 22793867. The reversal of 22793864 is 46839722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22793861) and next prime (22793867).

It can be written as a sum of positive squares in only one way, i.e., 19731364 + 3062500 = 4442^2 + 1750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22793861) by changing a digit.

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 as a sum of consecutive naturals, namely, 1424609 + ... + 1424624.

Almost surely, 2^22793864 is an apocalyptic number.

It is an amenable number.

22793864 is a deficient number, since it is larger than the sum of its proper divisors (19944646).

22793864 is a wasteful number, since it uses less digits than its factorization.

22793864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849239 (or 2849235 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 22793864 is about 4774.2919893949. The cubic root of 22793864 is about 283.5345480346.

The spelling of 22793864 in words is "twenty-two million, seven hundred ninety-three thousand, eight hundred sixty-four".