22983772817 has 2 divisors, whose sum is σ = 22983772818. Its totient is φ = 22983772816.

The previous prime is 22983772771. The next prime is 22983772843. The reversal of 22983772817 is 71827738922.

It is a Cunningham number, because it is equal to 151604²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22983772816 + 1 = 151604^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 22983772817 - 2⁶ = 22983772753 is a prime.

It is not a weakly prime, because it can be changed into another prime (22983771817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11491886408 + 11491886409.

It is an arithmetic number, because the mean of its divisors is an integer number (11491886409).

Almost surely, 2^22983772817 is an apocalyptic number.

It is an amenable number.

22983772817 is a deficient number, since it is larger than the sum of its proper divisors (1).

22983772817 is an equidigital number, since it uses as much as digits as its factorization.

22983772817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The spelling of 22983772817 in words is "twenty-two billion, nine hundred eighty-three million, seven hundred seventy-two thousand, eight hundred seventeen".