625766922 has 48 divisors (see below), whose sum is σ = 1489082400. Its totient is φ = 188344800.

The previous prime is 625766909. The next prime is 625766927. The reversal of 625766922 is 229667526.

It is not an unprimeable number, because it can be changed into a prime (625766927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18897 + ... + 40107.

It is an arithmetic number, because the mean of its divisors is an integer number (31022550).

Almost surely, 2^625766922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625766922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744541200).

625766922 is an abundant number, since it is smaller than the sum of its proper divisors (863315478).

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

625766922 is a wasteful number, since it uses less digits than its factorization.

625766922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379 (or 21376 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 625766922 is about 25015.3337375299. Note that the first 3 decimals coincide. The cubic root of 625766922 is about 855.3375419078.

The spelling of 625766922 in words is "six hundred twenty-five million, seven hundred sixty-six thousand, nine hundred twenty-two".