8222915572 has 24 divisors (see below), whose sum is σ = 15253418880. Its totient is φ = 3865330560.

The previous prime is 8222915563. The next prime is 8222915579. The reversal of 8222915572 is 2755192228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222915579) 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, 4422 + ... + 128317.

It is an arithmetic number, because the mean of its divisors is an integer number (635559120).

Almost surely, 2^8222915572 is an apocalyptic number.

It is an amenable number.

8222915572 is a deficient number, since it is larger than the sum of its proper divisors (7030503308).

8222915572 is a wasteful number, since it uses less digits than its factorization.

8222915572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133671 (or 133669 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 8222915572 is about 90680.2931843518. The cubic root of 8222915572 is about 2018.4063805781.

The spelling of 8222915572 in words is "eight billion, two hundred twenty-two million, nine hundred fifteen thousand, five hundred seventy-two".