42224512 has 32 divisors (see below), whose sum is σ = 91769400. Its totient is φ = 19192320.

The previous prime is 42224491. The next prime is 42224513. The reversal of 42224512 is 21542224.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224513) 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, 13587 + ... + 16402.

Almost surely, 2^42224512 is an apocalyptic number.

It is an amenable number.

42224512 is an abundant number, since it is smaller than the sum of its proper divisors (49544888).

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

42224512 is a wasteful number, since it uses less digits than its factorization.

42224512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014 (or 30002 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 42224512 is about 6498.0390888329. The cubic root of 42224512 is about 348.2209369036.

Adding to 42224512 its reverse (21542224), we get a palindrome (63766736).

The spelling of 42224512 in words is "forty-two million, two hundred twenty-four thousand, five hundred twelve".