22521514241 has 2 divisors, whose sum is σ = 22521514242. Its totient is φ = 22521514240.

The previous prime is 22521514219. The next prime is 22521514259. The reversal of 22521514241 is 14241512522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15312825025 + 7208689216 = 123745^2 + 84904^2 .

It is a cyclic number.

It is not a de Polignac number, because 22521514241 - 2³⁰ = 21447772417 is a prime.

It is not a weakly prime, because it can be changed into another prime (22521514271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260757120 + 11260757121.

It is an arithmetic number, because the mean of its divisors is an integer number (11260757121).

Almost surely, 2^22521514241 is an apocalyptic number.

It is an amenable number.

22521514241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22521514241 is an equidigital number, since it uses as much as digits as its factorization.

22521514241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The spelling of 22521514241 in words is "twenty-two billion, five hundred twenty-one million, five hundred fourteen thousand, two hundred forty-one".