22245460409 has 2 divisors, whose sum is σ = 22245460410. Its totient is φ = 22245460408.

The previous prime is 22245460403. The next prime is 22245460411. The reversal of 22245460409 is 90406454222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22023450409 + 222010000 = 148403^2 + 14900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22245460409 is a prime.

Together with 22245460411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22245460403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122730204 + 11122730205.

It is an arithmetic number, because the mean of its divisors is an integer number (11122730205).

Almost surely, 2^22245460409 is an apocalyptic number.

It is an amenable number.

22245460409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245460409 is an equidigital number, since it uses as much as digits as its factorization.

22245460409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 22245460409 in words is "twenty-two billion, two hundred forty-five million, four hundred sixty thousand, four hundred nine".