722858485 has 4 divisors (see below), whose sum is σ = 867430188. Its totient is φ = 578286784.

The previous prime is 722858471. The next prime is 722858491. The reversal of 722858485 is 584858227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584858227 = 149 ⋅3925223.

It can be written as a sum of positive squares in 2 ways, for example, as 92948881 + 629909604 = 9641^2 + 25098^2 .

It is a cyclic number.

It is not a de Polignac number, because 722858485 - 2¹⁵ = 722825717 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72285844 + ... + 72285853.

It is an arithmetic number, because the mean of its divisors is an integer number (216857547).

Almost surely, 2^722858485 is an apocalyptic number.

It is an amenable number.

722858485 is a deficient number, since it is larger than the sum of its proper divisors (144571703).

722858485 is a wasteful number, since it uses less digits than its factorization.

722858485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144571702.

The product of its digits is 1433600, while the sum is 49.

The square root of 722858485 is about 26886.0276909773. The cubic root of 722858485 is about 897.4654968205.

The spelling of 722858485 in words is "seven hundred twenty-two million, eight hundred fifty-eight thousand, four hundred eighty-five".