22481329357 has 2 divisors, whose sum is σ = 22481329358. Its totient is φ = 22481329356.

The previous prime is 22481329327. The next prime is 22481329361. The reversal of 22481329357 is 75392318422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14871558601 + 7609770756 = 121949^2 + 87234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22481329357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22481329327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240664678 + 11240664679.

It is an arithmetic number, because the mean of its divisors is an integer number (11240664679).

Almost surely, 2^22481329357 is an apocalyptic number.

It is an amenable number.

22481329357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22481329357 is an equidigital number, since it uses as much as digits as its factorization.

22481329357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 22481329357 in words is "twenty-two billion, four hundred eighty-one million, three hundred twenty-nine thousand, three hundred fifty-seven".