22461841609 has 2 divisors, whose sum is σ = 22461841610. Its totient is φ = 22461841608.

The previous prime is 22461841579. The next prime is 22461841621. The reversal of 22461841609 is 90614816422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22056705225 + 405136384 = 148515^2 + 20128^2 .

It is a cyclic number.

It is not a de Polignac number, because 22461841609 - 2³³ = 13871907017 is a prime.

It is not a weakly prime, because it can be changed into another prime (22461881609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230920804 + 11230920805.

It is an arithmetic number, because the mean of its divisors is an integer number (11230920805).

Almost surely, 2^22461841609 is an apocalyptic number.

It is an amenable number.

22461841609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461841609 is an equidigital number, since it uses as much as digits as its factorization.

22461841609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 22461841609 in words is "twenty-two billion, four hundred sixty-one million, eight hundred forty-one thousand, six hundred nine".