22125657241 has 2 divisors, whose sum is σ = 22125657242. Its totient is φ = 22125657240.

The previous prime is 22125657209. The next prime is 22125657251. The reversal of 22125657241 is 14275652122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17471552400 + 4654104841 = 132180^2 + 68221^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125657241 - 2⁵ = 22125657209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22125657241.

It is not a weakly prime, because it can be changed into another prime (22125657251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062828620 + 11062828621.

It is an arithmetic number, because the mean of its divisors is an integer number (11062828621).

Almost surely, 2^22125657241 is an apocalyptic number.

It is an amenable number.

22125657241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125657241 is an equidigital number, since it uses as much as digits as its factorization.

22125657241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The spelling of 22125657241 in words is "twenty-two billion, one hundred twenty-five million, six hundred fifty-seven thousand, two hundred forty-one".