7225265280 has 512 divisors, whose sum is σ = 25618809600. Its totient is φ = 1725235200.

The previous prime is 7225265279. The next prime is 7225265297. The reversal of 7225265280 is 825625227.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71537230 + ... + 71537330.

Almost surely, 2^7225265280 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 7225265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12809404800).

7225265280 is an abundant number, since it is smaller than the sum of its proper divisors (18393544320).

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

7225265280 is a wasteful number, since it uses less digits than its factorization.

7225265280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 7225265280 is about 85001.5604562646. The cubic root of 7225265280 is about 1933.2347768494.

The spelling of 7225265280 in words is "seven billion, two hundred twenty-five million, two hundred sixty-five thousand, two hundred eighty".