22660004 has 12 divisors (see below), whose sum is σ = 39715200. Its totient is φ = 11312808.

The previous prime is 22659983. The next prime is 22660019. The reversal of 22660004 is 40006622.

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, 1064 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (3309600).

Almost surely, 2^22660004 is an apocalyptic number.

It is an amenable number.

22660004 is a deficient number, since it is larger than the sum of its proper divisors (17055196).

22660004 is a wasteful number, since it uses less digits than its factorization.

22660004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602 (or 8600 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22660004 is about 4760.2525143106. The cubic root of 22660004 is about 282.9784265208.

Adding to 22660004 its reverse (40006622), we get a palindrome (62666626).

The spelling of 22660004 in words is "twenty-two million, six hundred sixty thousand, four".