22042424069 has 2 divisors, whose sum is σ = 22042424070. Its totient is φ = 22042424068.

The previous prime is 22042424017. The next prime is 22042424119. The reversal of 22042424069 is 96042424022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20948799169 + 1093624900 = 144737^2 + 33070^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042424069 - 2²⁰ = 22041375493 is a prime.

It is a super-2 number, since 2×22042424069² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22042421069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021212034 + 11021212035.

It is an arithmetic number, because the mean of its divisors is an integer number (11021212035).

Almost surely, 2^22042424069 is an apocalyptic number.

It is an amenable number.

22042424069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042424069 is an equidigital number, since it uses as much as digits as its factorization.

22042424069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 22042424069 in words is "twenty-two billion, forty-two million, four hundred twenty-four thousand, sixty-nine".