22541147257 has 2 divisors, whose sum is σ = 22541147258. Its totient is φ = 22541147256.

The previous prime is 22541147197. The next prime is 22541147267. The reversal of 22541147257 is 75274114522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22479304761 + 61842496 = 149931^2 + 7864^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541147257 - 2¹⁵ = 22541114489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22541147267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270573628 + 11270573629.

It is an arithmetic number, because the mean of its divisors is an integer number (11270573629).

Almost surely, 2^22541147257 is an apocalyptic number.

It is an amenable number.

22541147257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541147257 is an equidigital number, since it uses as much as digits as its factorization.

22541147257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 40.

The spelling of 22541147257 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-seven thousand, two hundred fifty-seven".