44213812 has 12 divisors (see below), whose sum is σ = 79870336. Its totient is φ = 21393720.

The previous prime is 44213809. The next prime is 44213831. The reversal of 44213812 is 21831244.

It is a super-2 number, since 2×44213812² = 3909722343142688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178158 + ... + 178405.

Almost surely, 2^44213812 is an apocalyptic number.

It is an amenable number.

44213812 is a deficient number, since it is larger than the sum of its proper divisors (35656524).

44213812 is a wasteful number, since it uses less digits than its factorization.

44213812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356598 (or 356596 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 44213812 is about 6649.3467348304. The cubic root of 44213812 is about 353.6057513073.

The spelling of 44213812 in words is "forty-four million, two hundred thirteen thousand, eight hundred twelve".