22736866 has 8 divisors (see below), whose sum is σ = 34134444. Its totient is φ = 11358720.

The previous prime is 22736851. The next prime is 22736869. The reversal of 22736866 is 66863722.

It can be written as a sum of positive squares in 2 ways, for example, as 22515025 + 221841 = 4745^2 + 471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22736869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455 + ... + 6898.

Almost surely, 2^22736866 is an apocalyptic number.

22736866 is a deficient number, since it is larger than the sum of its proper divisors (11397578).

22736866 is a wasteful number, since it uses less digits than its factorization.

22736866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its digits is 145152, while the sum is 40.

The square root of 22736866 is about 4768.3189910072. The cubic root of 22736866 is about 283.2980166669.

The spelling of 22736866 in words is "twenty-two million, seven hundred thirty-six thousand, eight hundred sixty-six".