626872422 has 16 divisors (see below), whose sum is σ = 1367721792. Its totient is φ = 189961320.

The previous prime is 626872397. The next prime is 626872427. The reversal of 626872422 is 224278626.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626872427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748968 + ... + 4749099.

It is an arithmetic number, because the mean of its divisors is an integer number (85482612).

Almost surely, 2^626872422 is an apocalyptic number.

626872422 is an abundant number, since it is smaller than the sum of its proper divisors (740849370).

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

626872422 is a wasteful number, since it uses less digits than its factorization.

626872422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498083.

The product of its digits is 129024, while the sum is 39.

The square root of 626872422 is about 25037.4204342221. The cubic root of 626872422 is about 855.8409345380.

The spelling of 626872422 in words is "six hundred twenty-six million, eight hundred seventy-two thousand, four hundred twenty-two".