8303222978 has 6 divisors (see below), whose sum is σ = 12455027769. Its totient is φ = 4151547056.

The previous prime is 8303222933. The next prime is 8303222999. The reversal of 8303222978 is 8792223038.

It can be written as a sum of positive squares in 2 ways, for example, as 8282274049 + 20948929 = 91007^2 + 4577^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64433.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96650 + ... + 161082.

Almost surely, 2^8303222978 is an apocalyptic number.

8303222978 is a deficient number, since it is larger than the sum of its proper divisors (4151804791).

8303222978 is an frugal number, since it uses more digits than its factorization.

8303222978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128868 (or 64435 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 8303222978 is about 91122.0224643856. The cubic root of 8303222978 is about 2024.9558881210.

The spelling of 8303222978 in words is "eight billion, three hundred three million, two hundred twenty-two thousand, nine hundred seventy-eight".