722853 has 6 divisors (see below), whose sum is σ = 1044134. Its totient is φ = 481896.

The previous prime is 722849. The next prime is 722881. The reversal of 722853 is 358227.

722853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 459684 + 263169 = 678^2 + 513^2 .

It is not a de Polignac number, because 722853 - 2² = 722849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40150 + ... + 40167.

2⁷²²⁸⁵³ is an apocalyptic number.

It is an amenable number.

722853 is a deficient number, since it is larger than the sum of its proper divisors (321281).

722853 is a wasteful number, since it uses less digits than its factorization.

722853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80323 (or 80320 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 722853 is about 850.2076217019. The cubic root of 722853 is about 89.7463226846.

The spelling of 722853 in words is "seven hundred twenty-two thousand, eight hundred fifty-three".