22541144257 has 2 divisors, whose sum is σ = 22541144258. Its totient is φ = 22541144256.

The previous prime is 22541144191. The next prime is 22541144281. The reversal of 22541144257 is 75244114522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13345101441 + 9196042816 = 115521^2 + 95896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22541144257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22541147257) 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, 11270572128 + 11270572129.

It is an arithmetic number, because the mean of its divisors is an integer number (11270572129).

Almost surely, 2^22541144257 is an apocalyptic number.

It is an amenable number.

22541144257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541144257 is an equidigital number, since it uses as much as digits as its factorization.

22541144257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 37.

Adding to 22541144257 its reverse (75244114522), we get a palindrome (97785258779).

The spelling of 22541144257 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, two hundred fifty-seven".