42244572 has 24 divisors (see below), whose sum is σ = 100043776. Its totient is φ = 13871088.

The previous prime is 42244549. The next prime is 42244597. The reversal of 42244572 is 27544224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25468 + ... + 27075.

Almost surely, 2^42244572 is an apocalyptic number.

It is an amenable number.

42244572 is an abundant number, since it is smaller than the sum of its proper divisors (57799204).

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

42244572 is a wasteful number, since it uses less digits than its factorization.

42244572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52617 (or 52615 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 42244572 is about 6499.5824481270. The cubic root of 42244572 is about 348.2760723827.

Adding to 42244572 its reverse (27544224), we get a palindrome (69788796).

The spelling of 42244572 in words is "forty-two million, two hundred forty-four thousand, five hundred seventy-two".