22406590813 has 2 divisors, whose sum is σ = 22406590814. Its totient is φ = 22406590812.

The previous prime is 22406590799. The next prime is 22406590819. The reversal of 22406590813 is 31809560422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14524347289 + 7882243524 = 120517^2 + 88782^2 .

It is a cyclic number.

It is not a de Polignac number, because 22406590813 - 2¹³ = 22406582621 is a prime.

It is a super-2 number, since 2×22406590813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22406590819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203295406 + 11203295407.

It is an arithmetic number, because the mean of its divisors is an integer number (11203295407).

Almost surely, 2^22406590813 is an apocalyptic number.

It is an amenable number.

22406590813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22406590813 is an equidigital number, since it uses as much as digits as its factorization.

22406590813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 22406590813 in words is "twenty-two billion, four hundred six million, five hundred ninety thousand, eight hundred thirteen".