22665004 has 6 divisors (see below), whose sum is σ = 39663764. Its totient is φ = 11332500.

The previous prime is 22664989. The next prime is 22665011. The reversal of 22665004 is 40056622.

It is a self number, because there is not a number n which added to its sum of digits gives 22665004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833122 + ... + 2833129.

Almost surely, 2^22665004 is an apocalyptic number.

It is an amenable number.

22665004 is a deficient number, since it is larger than the sum of its proper divisors (16998760).

22665004 is a wasteful number, since it uses less digits than its factorization.

22665004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666255 (or 5666253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 22665004 is about 4760.7776675665. Note that the first 3 decimals coincide. The cubic root of 22665004 is about 282.9992383453. Note that the first 3 decimals are identical.

The spelling of 22665004 in words is "twenty-two million, six hundred sixty-five thousand, four".