22515004201 has 2 divisors, whose sum is σ = 22515004202. Its totient is φ = 22515004200.

The previous prime is 22515004181. The next prime is 22515004231. The reversal of 22515004201 is 10240051522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19779609600 + 2735394601 = 140640^2 + 52301^2 .

It is a cyclic number.

It is not a de Polignac number, because 22515004201 - 2²⁵ = 22481449769 is a prime.

It is not a weakly prime, because it can be changed into another prime (22515004231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257502100 + 11257502101.

It is an arithmetic number, because the mean of its divisors is an integer number (11257502101).

Almost surely, 2^22515004201 is an apocalyptic number.

It is an amenable number.

22515004201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515004201 is an equidigital number, since it uses as much as digits as its factorization.

22515004201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22515004201 its reverse (10240051522), we get a palindrome (32755055723).

The spelling of 22515004201 in words is "twenty-two billion, five hundred fifteen million, four thousand, two hundred one".