42223624 has 16 divisors (see below), whose sum is σ = 83336400. Its totient is φ = 20000592.

The previous prime is 42223619. The next prime is 42223637. The reversal of 42223624 is 42632224.

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, 138742 + ... + 139045.

It is an arithmetic number, because the mean of its divisors is an integer number (5208525).

Almost surely, 2^42223624 is an apocalyptic number.

It is an amenable number.

42223624 is a deficient number, since it is larger than the sum of its proper divisors (41112776).

42223624 is a wasteful number, since it uses less digits than its factorization.

42223624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277812 (or 277808 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 42223624 is about 6497.9707601681. The cubic root of 42223624 is about 348.2184958068.

Adding to 42223624 its reverse (42632224), we get a palindrome (84855848).

The spelling of 42223624 in words is "forty-two million, two hundred twenty-three thousand, six hundred twenty-four".