44218866 has 16 divisors (see below), whose sum is σ = 88617600. Its totient is φ = 14709648.

The previous prime is 44218859. The next prime is 44218877. The reversal of 44218866 is 66881244.

It is a super-2 number, since 2×44218866² = 3910616220651912, which contains 22 as substring.

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, 4186 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (5538600).

Almost surely, 2^44218866 is an apocalyptic number.

44218866 is an abundant number, since it is smaller than the sum of its proper divisors (44398734).

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

44218866 is a wasteful number, since it uses less digits than its factorization.

44218866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993.

The product of its digits is 73728, while the sum is 39.

The square root of 44218866 is about 6649.7267613038. The cubic root of 44218866 is about 353.6192241362.

The spelling of 44218866 in words is "forty-four million, two hundred eighteen thousand, eight hundred sixty-six".