22515313453 has 2 divisors, whose sum is σ = 22515313454. Its totient is φ = 22515313452.

The previous prime is 22515313421. The next prime is 22515313501. The reversal of 22515313453 is 35431351522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21643705924 + 871607529 = 147118^2 + 29523^2 .

It is a cyclic number.

It is not a de Polignac number, because 22515313453 - 2⁵ = 22515313421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22515313153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257656726 + 11257656727.

It is an arithmetic number, because the mean of its divisors is an integer number (11257656727).

Almost surely, 2^22515313453 is an apocalyptic number.

It is an amenable number.

22515313453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515313453 is an equidigital number, since it uses as much as digits as its factorization.

22515313453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 34.

Adding to 22515313453 its reverse (35431351522), we get a palindrome (57946664975).

The spelling of 22515313453 in words is "twenty-two billion, five hundred fifteen million, three hundred thirteen thousand, four hundred fifty-three".