22302320313 has 32 divisors (see below), whose sum is σ = 36823284736. Its totient is φ = 11691667008.

The previous prime is 22302320309. The next prime is 22302320357. The reversal of 22302320313 is 31302320322.

It is not a de Polignac number, because 22302320313 - 2² = 22302320309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22302320313.

It is not an unprimeable number, because it can be changed into a prime (22302320303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206095 + ... + 295092.

It is an arithmetic number, because the mean of its divisors is an integer number (1150727648).

Almost surely, 2^22302320313 is an apocalyptic number.

It is an amenable number.

22302320313 is a deficient number, since it is larger than the sum of its proper divisors (14520964423).

22302320313 is a wasteful number, since it uses less digits than its factorization.

22302320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501373.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22302320313 its reverse (31302320322), we get a palindrome (53604640635).

Subtracting 22302320313 from its reverse (31302320322), we obtain a palindrome (9000000009).

The spelling of 22302320313 in words is "twenty-two billion, three hundred two million, three hundred twenty thousand, three hundred thirteen".