22180974793 has 2 divisors, whose sum is σ = 22180974794. Its totient is φ = 22180974792.

The previous prime is 22180974787. The next prime is 22180974797. The reversal of 22180974793 is 39747908122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21869381689 + 311593104 = 147883^2 + 17652^2 .

It is a cyclic number.

It is not a de Polignac number, because 22180974793 - 2²¹ = 22178877641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22180974793.

It is not a weakly prime, because it can be changed into another prime (22180974797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11090487396 + 11090487397.

It is an arithmetic number, because the mean of its divisors is an integer number (11090487397).

Almost surely, 2^22180974793 is an apocalyptic number.

It is an amenable number.

22180974793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22180974793 is an equidigital number, since it uses as much as digits as its factorization.

22180974793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 22180974793 in words is "twenty-two billion, one hundred eighty million, nine hundred seventy-four thousand, seven hundred ninety-three".