44224644 has 12 divisors (see below), whose sum is σ = 103190864. Its totient is φ = 14741544.

The previous prime is 44224639. The next prime is 44224669. The reversal of 44224644 is 44642244.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842682 + ... + 1842705.

Almost surely, 2^44224644 is an apocalyptic number.

It is an amenable number.

44224644 is an abundant number, since it is smaller than the sum of its proper divisors (58966220).

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

44224644 is a wasteful number, since it uses less digits than its factorization.

44224644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685394 (or 3685392 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 44224644 is about 6650.1612010537. The cubic root of 44224644 is about 353.6346257289.

Adding to 44224644 its reverse (44642244), we get a palindrome (88866888).

The spelling of 44224644 in words is "forty-four million, two hundred twenty-four thousand, six hundred forty-four".