44421166 has 4 divisors (see below), whose sum is σ = 66631752. Its totient is φ = 22210582.

The previous prime is 44421161. The next prime is 44421253. The reversal of 44421166 is 66112444.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105290 + ... + 11105293.

It is an arithmetic number, because the mean of its divisors is an integer number (16657938).

Almost surely, 2^44421166 is an apocalyptic number.

44421166 is a deficient number, since it is larger than the sum of its proper divisors (22210586).

44421166 is a wasteful number, since it uses less digits than its factorization.

44421166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210585.

The product of its digits is 4608, while the sum is 28.

The square root of 44421166 is about 6664.9205546653. The cubic root of 44421166 is about 354.1576696646.

The spelling of 44421166 in words is "forty-four million, four hundred twenty-one thousand, one hundred sixty-six".