8303221252 has 12 divisors (see below), whose sum is σ = 14539827456. Its totient is φ = 4148984840.

The previous prime is 8303221249. The next prime is 8303221279. The reversal of 8303221252 is 2521223038.

It is a self number, because there is not a number n which added to its sum of digits gives 8303221252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649324 + ... + 661987.

It is an arithmetic number, because the mean of its divisors is an integer number (1211652288).

Almost surely, 2^8303221252 is an apocalyptic number.

It is an amenable number.

8303221252 is a deficient number, since it is larger than the sum of its proper divisors (6236606204).

8303221252 is a wasteful number, since it uses less digits than its factorization.

8303221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312898 (or 1312896 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8303221252 is about 91122.0129935681. The cubic root of 8303221252 is about 2024.9557478111.

The spelling of 8303221252 in words is "eight billion, three hundred three million, two hundred twenty-one thousand, two hundred fifty-two".