43442224 has 30 divisors (see below), whose sum is σ = 97913004. Its totient is φ = 18617760.

The previous prime is 43442219. The next prime is 43442233. The reversal of 43442224 is 42224434.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26922 + ... + 28489.

Almost surely, 2^43442224 is an apocalyptic number.

It is an amenable number.

43442224 is an abundant number, since it is smaller than the sum of its proper divisors (54470780).

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

43442224 is a wasteful number, since it uses less digits than its factorization.

43442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55433 (or 55420 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 43442224 is about 6591.0715365561. The cubic root of 43442224 is about 351.5367097157.

Adding to 43442224 its reverse (42224434), we get a palindrome (85666658).

The spelling of 43442224 in words is "forty-three million, four hundred forty-two thousand, two hundred twenty-four".