44431224 has 16 divisors (see below), whose sum is σ = 111078120. Its totient is φ = 14810400.

The previous prime is 44431207. The next prime is 44431229. The reversal of 44431224 is 42213444.

It is a happy number.

It is a super-2 number, since 2×44431224² = 3948267332276352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1851301 = 44431224 / (4 + 4 + 4 + 3 + 1 + 2 + 2 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 44431194 and 44431203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925627 + ... + 925674.

Almost surely, 2^44431224 is an apocalyptic number.

It is an amenable number.

44431224 is an abundant number, since it is smaller than the sum of its proper divisors (66646896).

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

44431224 is a wasteful number, since it uses less digits than its factorization.

44431224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851310 (or 1851306 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 44431224 is about 6665.6750595870. The cubic root of 44431224 is about 354.1843975314.

Adding to 44431224 its reverse (42213444), we get a palindrome (86644668).

The spelling of 44431224 in words is "forty-four million, four hundred thirty-one thousand, two hundred twenty-four".