22863944 has 8 divisors (see below), whose sum is σ = 42869910. Its totient is φ = 11431968.

The previous prime is 22863941. The next prime is 22863961. The reversal of 22863944 is 44936822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 10176100 = 3562^2 + 3190^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22863898 and 22863907.

It is not an unprimeable number, because it can be changed into a prime (22863941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428989 + ... + 1429004.

Almost surely, 2^22863944 is an apocalyptic number.

It is an amenable number.

22863944 is a deficient number, since it is larger than the sum of its proper divisors (20005966).

22863944 is a wasteful number, since it uses less digits than its factorization.

22863944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857999 (or 2857995 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 22863944 is about 4781.6256649805. The cubic root of 22863944 is about 283.8248275037.

The spelling of 22863944 in words is "twenty-two million, eight hundred sixty-three thousand, nine hundred forty-four".