722423616 has 28 divisors (see below), whose sum is σ = 1911412992. Its totient is φ = 240807808.

The previous prime is 722423587. The next prime is 722423623. The reversal of 722423616 is 616324227.

It is a congruent 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, 1881120 + ... + 1881503.

Almost surely, 2^722423616 is an apocalyptic number.

It is an amenable number.

722423616 is an abundant number, since it is smaller than the sum of its proper divisors (1188989376).

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

722423616 is a wasteful number, since it uses less digits than its factorization.

722423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762638 (or 3762628 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 722423616 is about 26877.9392067175. The cubic root of 722423616 is about 897.2854900736.

The spelling of 722423616 in words is "seven hundred twenty-two million, four hundred twenty-three thousand, six hundred sixteen".