722862 has 24 divisors (see below), whose sum is σ = 1790256. Its totient is φ = 206496.

The previous prime is 722849. The next prime is 722881. The reversal of 722862 is 268227.

It is a congruent number.

It is an unprimeable number.

722862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2743 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (74594).

2⁷²²⁸⁶² is an apocalyptic number.

722862 is an abundant number, since it is smaller than the sum of its proper divisors (1067394).

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

722862 is a wasteful number, since it uses less digits than its factorization.

722862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752 (or 5749 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 722862 is about 850.2129145102. The cubic root of 722862 is about 89.7466951502.

The spelling of 722862 in words is "seven hundred twenty-two thousand, eight hundred sixty-two".