22234957909 has 2 divisors, whose sum is σ = 22234957910. Its totient is φ = 22234957908.

The previous prime is 22234957903. The next prime is 22234957939. The reversal of 22234957909 is 90975943222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19967103025 + 2267854884 = 141305^2 + 47622^2 .

It is a cyclic number.

It is not a de Polignac number, because 22234957909 - 2²¹ = 22232860757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22234957903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11117478954 + 11117478955.

It is an arithmetic number, because the mean of its divisors is an integer number (11117478955).

Almost surely, 2^22234957909 is an apocalyptic number.

It is an amenable number.

22234957909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22234957909 is an equidigital number, since it uses as much as digits as its factorization.

22234957909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 22234957909 in words is "twenty-two billion, two hundred thirty-four million, nine hundred fifty-seven thousand, nine hundred nine".