22065137869 has 2 divisors, whose sum is σ = 22065137870. Its totient is φ = 22065137868.

The previous prime is 22065137851. The next prime is 22065137873. The reversal of 22065137869 is 96873156022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20502516969 + 1562620900 = 143187^2 + 39530^2 .

It is a cyclic number.

It is not a de Polignac number, because 22065137869 - 2¹¹ = 22065135821 is a prime.

It is a super-2 number, since 2×22065137869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22065137569) 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 as a sum of consecutive naturals, namely, 11032568934 + 11032568935.

It is an arithmetic number, because the mean of its divisors is an integer number (11032568935).

Almost surely, 2^22065137869 is an apocalyptic number.

It is an amenable number.

22065137869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22065137869 is an equidigital number, since it uses as much as digits as its factorization.

22065137869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 22065137869 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, eight hundred sixty-nine".