25222527371 has 2 divisors, whose sum is σ = 25222527372. Its totient is φ = 25222527370.

The previous prime is 25222527349. The next prime is 25222527383. The reversal of 25222527371 is 17372522252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25222527371 - 2⁶ = 25222527307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25222527311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611263685 + 12611263686.

It is an arithmetic number, because the mean of its divisors is an integer number (12611263686).

Almost surely, 2^25222527371 is an apocalyptic number.

25222527371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25222527371 is an equidigital number, since it uses as much as digits as its factorization.

25222527371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The spelling of 25222527371 in words is "twenty-five billion, two hundred twenty-two million, five hundred twenty-seven thousand, three hundred seventy-one".