722626254 has 24 divisors (see below), whose sum is σ = 1789360560. Its totient is φ = 206464608.

The previous prime is 722626253. The next prime is 722626279. The reversal of 722626254 is 452626227.

722626254 is a `hidden beast` number, since 7 + 2 + 2 + 626 + 25 + 4 = 666.

722626254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2867439 + ... + 2867690.

It is an arithmetic number, because the mean of its divisors is an integer number (74556690).

Almost surely, 2^722626254 is an apocalyptic number.

722626254 is an abundant number, since it is smaller than the sum of its proper divisors (1066734306).

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

722626254 is a wasteful number, since it uses less digits than its factorization.

722626254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735144 (or 5735141 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 722626254 is about 26881.7085394511. The cubic root of 722626254 is about 897.3693776687.

The spelling of 722626254 in words is "seven hundred twenty-two million, six hundred twenty-six thousand, two hundred fifty-four".