22405623601 has 2 divisors, whose sum is σ = 22405623602. Its totient is φ = 22405623600.

The previous prime is 22405623553. The next prime is 22405623607. The reversal of 22405623601 is 10632650422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16418578225 + 5987045376 = 128135^2 + 77376^2 .

It is a cyclic number.

It is not a de Polignac number, because 22405623601 - 2²⁷ = 22271405873 is a prime.

It is not a weakly prime, because it can be changed into another prime (22405623607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202811800 + 11202811801.

It is an arithmetic number, because the mean of its divisors is an integer number (11202811801).

Almost surely, 2^22405623601 is an apocalyptic number.

It is an amenable number.

22405623601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405623601 is an equidigital number, since it uses as much as digits as its factorization.

22405623601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 22405623601 in words is "twenty-two billion, four hundred five million, six hundred twenty-three thousand, six hundred one".