44420066 has 4 divisors (see below), whose sum is σ = 66630102. Its totient is φ = 22210032.

The previous prime is 44420063. The next prime is 44420069. The reversal of 44420066 is 66002444.

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

It is an interprime number because it is at equal distance from previous prime (44420063) and next prime (44420069).

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 17598025 = 5179^2 + 4195^2 .

It is not an unprimeable number, because it can be changed into a prime (44420063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105015 + ... + 11105018.

Almost surely, 2^44420066 is an apocalyptic number.

44420066 is a deficient number, since it is larger than the sum of its proper divisors (22210036).

44420066 is a wasteful number, since it uses less digits than its factorization.

44420066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210035.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 44420066 is about 6664.8380325406. The cubic root of 44420066 is about 354.1547463085.

The spelling of 44420066 in words is "forty-four million, four hundred twenty thousand, sixty-six".