722626263 has 12 divisors (see below), whose sum is σ = 1079786760. Its totient is φ = 465138576.

The previous prime is 722626253. The next prime is 722626279. The reversal of 722626263 is 362626227.

722626263 is a `hidden beast` number, since 7 + 2 + 2 + 626 + 26 + 3 = 666.

It is not a de Polignac number, because 722626263 - 2¹⁴ = 722609879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722626253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384081 + ... + 1384602.

It is an arithmetic number, because the mean of its divisors is an integer number (89982230).

Almost surely, 2^722626263 is an apocalyptic number.

722626263 is a deficient number, since it is larger than the sum of its proper divisors (357160497).

722626263 is a wasteful number, since it uses less digits than its factorization.

722626263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768718 (or 2768715 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 722626263 is about 26881.7087068512. The cubic root of 722626263 is about 897.3693813942.

Subtracting from 722626263 its sum of digits (36), we obtain a palindrome (722626227).

It can be divided in two parts, 7226 and 26263, that added together give a square (33489 = 183²).

The spelling of 722626263 in words is "seven hundred twenty-two million, six hundred twenty-six thousand, two hundred sixty-three".