22666553 has 16 divisors (see below), whose sum is σ = 28242816. Its totient is φ = 17712000.

The previous prime is 22666541. The next prime is 22666571. The reversal of 22666553 is 35566622.

It is a cyclic number.

It is not a de Polignac number, because 22666553 - 2¹⁰ = 22665529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22666453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6053 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1765176).

Almost surely, 2^22666553 is an apocalyptic number.

It is an amenable number.

22666553 is a deficient number, since it is larger than the sum of its proper divisors (5576263).

22666553 is a wasteful number, since it uses less digits than its factorization.

22666553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104.

The product of its digits is 64800, while the sum is 35.

The square root of 22666553 is about 4760.9403482926. The cubic root of 22666553 is about 283.0056852275.

The spelling of 22666553 in words is "twenty-two million, six hundred sixty-six thousand, five hundred fifty-three".