22766663 has 4 divisors (see below), whose sum is σ = 22864608. Its totient is φ = 22668720.

The previous prime is 22766657. The next prime is 22766677. The reversal of 22766663 is 36666722.

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

It is a cyclic number.

It is not a de Polignac number, because 22766663 - 2⁶ = 22766599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22766563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48623 + ... + 49088.

It is an arithmetic number, because the mean of its divisors is an integer number (5716152).

Almost surely, 2^22766663 is an apocalyptic number.

22766663 is a deficient number, since it is larger than the sum of its proper divisors (97945).

22766663 is an equidigital number, since it uses as much as digits as its factorization.

22766663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97944.

The product of its digits is 108864, while the sum is 38.

The square root of 22766663 is about 4771.4424443768. The cubic root of 22766663 is about 283.4217180622.

The spelling of 22766663 in words is "twenty-two million, seven hundred sixty-six thousand, six hundred sixty-three".