22547541251 has 2 divisors, whose sum is σ = 22547541252. Its totient is φ = 22547541250.

The previous prime is 22547541229. The next prime is 22547541257. The reversal of 22547541251 is 15214574522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22547541251 - 2³⁰ = 21473799427 is a prime.

It is not a weakly prime, because it can be changed into another prime (22547541257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11273770625 + 11273770626.

It is an arithmetic number, because the mean of its divisors is an integer number (11273770626).

Almost surely, 2^22547541251 is an apocalyptic number.

22547541251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22547541251 is an equidigital number, since it uses as much as digits as its factorization.

22547541251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112000, while the sum is 38.

The spelling of 22547541251 in words is "twenty-two billion, five hundred forty-seven million, five hundred forty-one thousand, two hundred fifty-one".