8625222372 has 48 divisors (see below), whose sum is σ = 21684922560. Its totient is φ = 2652532608.

The previous prime is 8625222371. The next prime is 8625222377. The reversal of 8625222372 is 2732225268.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 8625222372.

It is not an unprimeable number, because it can be changed into a prime (8625222371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309403 + ... + 336125.

It is an arithmetic number, because the mean of its divisors is an integer number (451769220).

Almost surely, 2^8625222372 is an apocalyptic number.

It is an amenable number.

8625222372 is an abundant number, since it is smaller than the sum of its proper divisors (13059700188).

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

8625222372 is a wasteful number, since it uses less digits than its factorization.

8625222372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28812 (or 28810 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 8625222372 is about 92872.0753079202. The cubic root of 8625222372 is about 2050.8005893068.

The spelling of 8625222372 in words is "eight billion, six hundred twenty-five million, two hundred twenty-two thousand, three hundred seventy-two".