22515304793 has 2 divisors, whose sum is σ = 22515304794. Its totient is φ = 22515304792.

The previous prime is 22515304789. The next prime is 22515304811. The reversal of 22515304793 is 39740351522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21724401664 + 790903129 = 147392^2 + 28123^2 .

It is a cyclic number.

It is not a de Polignac number, because 22515304793 - 2² = 22515304789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22515304793.

It is not a weakly prime, because it can be changed into another prime (22515304193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257652396 + 11257652397.

It is an arithmetic number, because the mean of its divisors is an integer number (11257652397).

Almost surely, 2^22515304793 is an apocalyptic number.

It is an amenable number.

22515304793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515304793 is an equidigital number, since it uses as much as digits as its factorization.

22515304793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 22515304793 in words is "twenty-two billion, five hundred fifteen million, three hundred four thousand, seven hundred ninety-three".