7255227320 has 128 divisors (see below), whose sum is σ = 18041184000. Its totient is φ = 2604026880.

The previous prime is 7255227319. The next prime is 7255227361. The reversal of 7255227320 is 237225527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19142891 + ... + 19143269.

It is an arithmetic number, because the mean of its divisors is an integer number (140946750).

Almost surely, 2^7255227320 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 7255227320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9020592000).

7255227320 is an abundant number, since it is smaller than the sum of its proper divisors (10785956680).

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

7255227320 is a wasteful number, since it uses less digits than its factorization.

7255227320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 7255227320 is about 85177.6221785981. The cubic root of 7255227320 is about 1935.9033651365.

The spelling of 7255227320 in words is "seven billion, two hundred fifty-five million, two hundred twenty-seven thousand, three hundred twenty".