22666894 has 4 divisors (see below), whose sum is σ = 34000344. Its totient is φ = 11333446.

The previous prime is 22666883. The next prime is 22666913. The reversal of 22666894 is 49866622.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22666894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666722 + ... + 5666725.

It is an arithmetic number, because the mean of its divisors is an integer number (8500086).

Almost surely, 2^22666894 is an apocalyptic number.

22666894 is a deficient number, since it is larger than the sum of its proper divisors (11333450).

22666894 is a wasteful number, since it uses less digits than its factorization.

22666894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11333449.

The product of its digits is 248832, while the sum is 43.

The square root of 22666894 is about 4760.9761604108. The cubic root of 22666894 is about 283.0071044178.

The spelling of 22666894 in words is "twenty-two million, six hundred sixty-six thousand, eight hundred ninety-four".