722524 has 12 divisors (see below), whose sum is σ = 1379448. Its totient is φ = 328400.

The previous prime is 722521. The next prime is 722537. The reversal of 722524 is 425227.

722524 = T₃₄₁ + T₃₄₂ + ... + T₃₅₂.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 722495 and 722504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722521) 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, 8167 + ... + 8254.

It is an arithmetic number, because the mean of its divisors is an integer number (114954).

2⁷²²⁵²⁴ is an apocalyptic number.

It is an amenable number.

722524 is a deficient number, since it is larger than the sum of its proper divisors (656924).

722524 is a wasteful number, since it uses less digits than its factorization.

722524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16436 (or 16434 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 722524 is about 850.0141175298. The cubic root of 722524 is about 89.7327048763.

The spelling of 722524 in words is "seven hundred twenty-two thousand, five hundred twenty-four".