722850 has 48 divisors (see below), whose sum is σ = 1845120. Its totient is φ = 187200.

The previous prime is 722849. The next prime is 722881. The reversal of 722850 is 58227.

It is a self number, because there is not a number n which added to its sum of digits gives 722850.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9111 + ... + 9189.

It is an arithmetic number, because the mean of its divisors is an integer number (38440).

2⁷²²⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922560).

722850 is an abundant number, since it is smaller than the sum of its proper divisors (1122270).

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

722850 is a wasteful number, since it uses less digits than its factorization.

722850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 722850 is about 850.2058574251. The cubic root of 722850 is about 89.7461985287.

The spelling of 722850 in words is "seven hundred twenty-two thousand, eight hundred fifty".