22774866 has 16 divisors (see below), whose sum is σ = 48229344. Its totient is φ = 7145024.

The previous prime is 22774861. The next prime is 22774903. The reversal of 22774866 is 66847722.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22774861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111540 + ... + 111743.

It is an arithmetic number, because the mean of its divisors is an integer number (3014334).

Almost surely, 2^22774866 is an apocalyptic number.

22774866 is an abundant number, since it is smaller than the sum of its proper divisors (25454478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22774866 is a wasteful number, since it uses less digits than its factorization.

22774866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223305.

The product of its digits is 225792, while the sum is 42.

The square root of 22774866 is about 4772.3019602703. The cubic root of 22774866 is about 283.4557536340.

The spelling of 22774866 in words is "twenty-two million, seven hundred seventy-four thousand, eight hundred sixty-six".