722488 has 16 divisors (see below), whose sum is σ = 1459080. Its totient is φ = 333408.

The previous prime is 722479. The next prime is 722489. The reversal of 722488 is 884227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722489) 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, 3370 + ... + 3577.

2⁷²²⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

722488 is an abundant number, since it is smaller than the sum of its proper divisors (736592).

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

722488 is a wasteful number, since it uses less digits than its factorization.

722488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6962 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 722488 is about 849.9929411472. The cubic root of 722488 is about 89.7312145308.

The spelling of 722488 in words is "seven hundred twenty-two thousand, four hundred eighty-eight".