22489720373 has 2 divisors, whose sum is σ = 22489720374. Its totient is φ = 22489720372.

The previous prime is 22489720369. The next prime is 22489720387. The reversal of 22489720373 is 37302798422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22139356849 + 350363524 = 148793^2 + 18718^2 .

It is a cyclic number.

It is not a de Polignac number, because 22489720373 - 2² = 22489720369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22489720273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11244860186 + 11244860187.

It is an arithmetic number, because the mean of its divisors is an integer number (11244860187).

Almost surely, 2^22489720373 is an apocalyptic number.

It is an amenable number.

22489720373 is a deficient number, since it is larger than the sum of its proper divisors (1).

22489720373 is an equidigital number, since it uses as much as digits as its factorization.

22489720373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 22489720373 in words is "twenty-two billion, four hundred eighty-nine million, seven hundred twenty thousand, three hundred seventy-three".