22246444973 has 2 divisors, whose sum is σ = 22246444974. Its totient is φ = 22246444972.

The previous prime is 22246444949. The next prime is 22246445033. The reversal of 22246444973 is 37944464222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19399475524 + 2846969449 = 139282^2 + 53357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22246444973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22246444573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123222486 + 11123222487.

It is an arithmetic number, because the mean of its divisors is an integer number (11123222487).

Almost surely, 2^22246444973 is an apocalyptic number.

It is an amenable number.

22246444973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22246444973 is an equidigital number, since it uses as much as digits as its factorization.

22246444973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 47.

The spelling of 22246444973 in words is "twenty-two billion, two hundred forty-six million, four hundred forty-four thousand, nine hundred seventy-three".