42244132 has 12 divisors (see below), whose sum is σ = 84488320. Its totient is φ = 18104616.

The previous prime is 42244129. The next prime is 42244141. The reversal of 42244132 is 23144224.

It is a happy number.

42244132 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754332 + ... + 754387.

Almost surely, 2^42244132 is an apocalyptic number.

It is an amenable number.

42244132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42244132 is a wasteful number, since it uses less digits than its factorization.

42244132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508730 (or 1508728 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 42244132 is about 6499.5485997106. The cubic root of 42244132 is about 348.2748632174.

Adding to 42244132 its reverse (23144224), we get a palindrome (65388356).

The spelling of 42244132 in words is "forty-two million, two hundred forty-four thousand, one hundred thirty-two".