44213444 has 24 divisors (see below), whose sum is σ = 84865536. Its totient is φ = 19988000.

The previous prime is 44213443. The next prime is 44213453. The reversal of 44213444 is 44431244.

It is a happy number.

It is a super-2 number, since 2×44213444² = 3909657260682272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44213443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (3536064).

Almost surely, 2^44213444 is an apocalyptic number.

44213444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44213444 is a deficient number, since it is larger than the sum of its proper divisors (40652092).

44213444 is a wasteful number, since it uses less digits than its factorization.

44213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5465 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 44213444 is about 6649.3190628816. The cubic root of 44213444 is about 353.6047702618.

Adding to 44213444 its reverse (44431244), we get a palindrome (88644688).

The spelling of 44213444 in words is "forty-four million, two hundred thirteen thousand, four hundred forty-four".