22664554 has 16 divisors (see below), whose sum is σ = 37993536. Its totient is φ = 10050400.

The previous prime is 22664533. The next prime is 22664567. The reversal of 22664554 is 45546622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11662 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (2374596).

Almost surely, 2^22664554 is an apocalyptic number.

22664554 is a deficient number, since it is larger than the sum of its proper divisors (15328982).

22664554 is a wasteful number, since it uses less digits than its factorization.

22664554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25181.

The product of its digits is 57600, while the sum is 34.

The square root of 22664554 is about 4760.7304061457. The cubic root of 22664554 is about 282.9973654064.

The spelling of 22664554 in words is "twenty-two million, six hundred sixty-four thousand, five hundred fifty-four".