43442244 has 30 divisors (see below), whose sum is σ = 113567454. Its totient is φ = 14480640.

The previous prime is 43442233. The next prime is 43442249. The reversal of 43442244 is 44224434.

It is a happy number.

43442244 is a `hidden beast` number, since 434 + 4 + 224 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32353344 + 11088900 = 5688^2 + 3330^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (43442249) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66717 + ... + 67364.

Almost surely, 2^43442244 is an apocalyptic number.

It is an amenable number.

43442244 is an abundant number, since it is smaller than the sum of its proper divisors (70125210).

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

43442244 is a wasteful number, since it uses less digits than its factorization.

43442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134097 (or 134086 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 43442244 is about 6591.0730537599. The cubic root of 43442244 is about 351.5367636627.

Adding to 43442244 its reverse (44224434), we get a palindrome (87666678).

The spelling of 43442244 in words is "forty-three million, four hundred forty-two thousand, two hundred forty-four".