22434112109 has 2 divisors, whose sum is σ = 22434112110. Its totient is φ = 22434112108.

The previous prime is 22434112013. The next prime is 22434112133. The reversal of 22434112109 is 90121143422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21860509609 + 573602500 = 147853^2 + 23950^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434112109 - 2²⁰ = 22433063533 is a prime.

It is a super-2 number, since 2×22434112109² (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 (22434112159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217056054 + 11217056055.

It is an arithmetic number, because the mean of its divisors is an integer number (11217056055).

Almost surely, 2^22434112109 is an apocalyptic number.

It is an amenable number.

22434112109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434112109 is an equidigital number, since it uses as much as digits as its factorization.

22434112109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 22434112109 in words is "twenty-two billion, four hundred thirty-four million, one hundred twelve thousand, one hundred nine".