25222159 has 2 divisors, whose sum is σ = 25222160. Its totient is φ = 25222158.

The previous prime is 25222151. The next prime is 25222181. The reversal of 25222159 is 95122252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25222159 - 2³ = 25222151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611079 + 12611080.

It is an arithmetic number, because the mean of its divisors is an integer number (12611080).

Almost surely, 2^25222159 is an apocalyptic number.

25222159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25222159 is an equidigital number, since it uses as much as digits as its factorization.

25222159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 25222159 is about 5022.1667634598. The cubic root of 25222159 is about 293.2653499765.

The spelling of 25222159 in words is "twenty-five million, two hundred twenty-two thousand, one hundred fifty-nine".