7990225572 has 144 divisors (see below), whose sum is σ = 23566663680. Its totient is φ = 2092910400.

The previous prime is 7990225559. The next prime is 7990225577. The reversal of 7990225572 is 2755220997.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7990225577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334797 + ... + 357867.

Almost surely, 2^7990225572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7990225572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11783331840).

7990225572 is an abundant number, since it is smaller than the sum of its proper divisors (15576438108).

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

7990225572 is a wasteful number, since it uses less digits than its factorization.

7990225572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142 (or 23133 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 7990225572 is about 89388.0616861111. The cubic root of 7990225572 is about 1999.1851323738.

The spelling of 7990225572 in words is "seven billion, nine hundred ninety million, two hundred twenty-five thousand, five hundred seventy-two".