25222259 has 2 divisors, whose sum is σ = 25222260. Its totient is φ = 25222258.

The previous prime is 25222229. The next prime is 25222277. The reversal of 25222259 is 95222252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25222259 - 2¹⁶ = 25156723 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (25222229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611129 + 12611130.

It is an arithmetic number, because the mean of its divisors is an integer number (12611130).

Almost surely, 2^25222259 is an apocalyptic number.

25222259 is a deficient number, since it is larger than the sum of its proper divisors (1).

25222259 is an equidigital number, since it uses as much as digits as its factorization.

25222259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 25222259 is about 5022.1767193121. The cubic root of 25222259 is about 293.2657375523.

The spelling of 25222259 in words is "twenty-five million, two hundred twenty-two thousand, two hundred fifty-nine".