22809074161 has 2 divisors, whose sum is σ = 22809074162. Its totient is φ = 22809074160.

The previous prime is 22809074147. The next prime is 22809074177. The reversal of 22809074161 is 16147090822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17308033600 + 5501040561 = 131560^2 + 74169^2 .

It is a cyclic number.

It is not a de Polignac number, because 22809074161 - 2¹³ = 22809065969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22809074111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11404537080 + 11404537081.

It is an arithmetic number, because the mean of its divisors is an integer number (11404537081).

Almost surely, 2^22809074161 is an apocalyptic number.

It is an amenable number.

22809074161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22809074161 is an equidigital number, since it uses as much as digits as its factorization.

22809074161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 22809074161 in words is "twenty-two billion, eight hundred nine million, seventy-four thousand, one hundred sixty-one".