22242136309 has 2 divisors, whose sum is σ = 22242136310. Its totient is φ = 22242136308.

The previous prime is 22242136283. The next prime is 22242136369. The reversal of 22242136309 is 90363124222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12983463025 + 9258673284 = 113945^2 + 96222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22242136309 is a prime.

It is a super-2 number, since 2×22242136309² (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 (22242136369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121068154 + 11121068155.

It is an arithmetic number, because the mean of its divisors is an integer number (11121068155).

Almost surely, 2^22242136309 is an apocalyptic number.

It is an amenable number.

22242136309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242136309 is an equidigital number, since it uses as much as digits as its factorization.

22242136309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 22242136309 in words is "twenty-two billion, two hundred forty-two million, one hundred thirty-six thousand, three hundred nine".