722484 has 72 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 198720.

The previous prime is 722479. The next prime is 722489. The reversal of 722484 is 484227.

It is an interprime number because it is at equal distance from previous prime (722479) and next prime (722489).

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 23 ways as a sum of consecutive naturals, for example, 11814 + ... + 11874.

2⁷²²⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083264).

722484 is an abundant number, since it is smaller than the sum of its proper divisors (1444044).

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

722484 is a wasteful number, since it uses less digits than its factorization.

722484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 120 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 722484 is about 849.9905881832. The cubic root of 722484 is about 89.7310489338.

It can be divided in two parts, 72 and 2484, that added together give a triangular number (2556 = T₇₁).

The spelling of 722484 in words is "seven hundred twenty-two thousand, four hundred eighty-four".