22446866 has 16 divisors (see below), whose sum is σ = 38169600. Its totient is φ = 9814608.

The previous prime is 22446859. The next prime is 22446877. The reversal of 22446866 is 66864422.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22226 + ... + 23213.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^22446866 is an apocalyptic number.

22446866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22446866 is a deficient number, since it is larger than the sum of its proper divisors (15722734).

22446866 is a wasteful number, since it uses less digits than its factorization.

22446866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45473.

The product of its digits is 110592, while the sum is 38.

The square root of 22446866 is about 4737.8123643724. The cubic root of 22446866 is about 282.0884068004.

The spelling of 22446866 in words is "twenty-two million, four hundred forty-six thousand, eight hundred sixty-six".