22865244 has 12 divisors (see below), whose sum is σ = 53352264. Its totient is φ = 7621744.

The previous prime is 22865239. The next prime is 22865261. The reversal of 22865244 is 44256822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952707 + ... + 952730.

It is an arithmetic number, because the mean of its divisors is an integer number (4446022).

Almost surely, 2^22865244 is an apocalyptic number.

It is an amenable number.

22865244 is an abundant number, since it is smaller than the sum of its proper divisors (30487020).

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

22865244 is a wasteful number, since it uses less digits than its factorization.

22865244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905444 (or 1905442 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 22865244 is about 4781.7616000800. The cubic root of 22865244 is about 283.8302066468.

The spelling of 22865244 in words is "twenty-two million, eight hundred sixty-five thousand, two hundred forty-four".