22652666 has 4 divisors (see below), whose sum is σ = 33979002. Its totient is φ = 11326332.

The previous prime is 22652639. The next prime is 22652671. The reversal of 22652666 is 66625622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 137641 = 4745^2 + 371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663165 + ... + 5663168.

Almost surely, 2^22652666 is an apocalyptic number.

22652666 is a deficient number, since it is larger than the sum of its proper divisors (11326336).

22652666 is a wasteful number, since it uses less digits than its factorization.

22652666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326335.

The product of its digits is 51840, while the sum is 35.

The square root of 22652666 is about 4759.4816944705. The cubic root of 22652666 is about 282.9478775430.

The spelling of 22652666 in words is "twenty-two million, six hundred fifty-two thousand, six hundred sixty-six".