722575 has 12 divisors (see below), whose sum is σ = 1024240. Its totient is φ = 495360.

The previous prime is 722563. The next prime is 722581. The reversal of 722575 is 575227.

722575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722575 - 2⁹ = 722063 is a prime.

It is a super-2 number, since 2×722575² = 1044229261250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890 + ... + 2239.

2⁷²²⁵⁷⁵ is an apocalyptic number.

722575 is a deficient number, since it is larger than the sum of its proper divisors (301665).

722575 is a wasteful number, since it uses less digits than its factorization.

722575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 4141 counting only the distinct ones).

The product of its digits is 4900, while the sum is 28.

The square root of 722575 is about 850.0441165022. The cubic root of 722575 is about 89.7348161142.

The spelling of 722575 in words is "seven hundred twenty-two thousand, five hundred seventy-five".