2281328252 has 48 divisors (see below), whose sum is σ = 4808186880. Its totient is φ = 925214400.

The previous prime is 2281328249. The next prime is 2281328261. The reversal of 2281328252 is 2528231822.

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 15 ways as a sum of consecutive naturals, for example, 626477 + ... + 630107.

It is an arithmetic number, because the mean of its divisors is an integer number (100170560).

Almost surely, 2^2281328252 is an apocalyptic number.

It is an amenable number.

2281328252 is an abundant number, since it is smaller than the sum of its proper divisors (2526858628).

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

2281328252 is a wasteful number, since it uses less digits than its factorization.

2281328252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842 (or 4840 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2281328252 is about 47763.2521087080. The cubic root of 2281328252 is about 1316.4244088035.

The spelling of 2281328252 in words is "two billion, two hundred eighty-one million, three hundred twenty-eight thousand, two hundred fifty-two".