42422624 has 12 divisors (see below), whose sum is σ = 83519604. Its totient is φ = 21211296.

The previous prime is 42422587. The next prime is 42422641. The reversal of 42422624 is 42622424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42422593 and 42422602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662822 + ... + 662885.

It is an arithmetic number, because the mean of its divisors is an integer number (6959967).

Almost surely, 2^42422624 is an apocalyptic number.

It is an amenable number.

42422624 is a deficient number, since it is larger than the sum of its proper divisors (41096980).

42422624 is a wasteful number, since it uses less digits than its factorization.

42422624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325717 (or 1325709 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 42422624 is about 6513.2652333526. The cubic root of 42422624 is about 348.7646900541.

The spelling of 42422624 in words is "forty-two million, four hundred twenty-two thousand, six hundred twenty-four".