25222051 has 2 divisors, whose sum is σ = 25222052. Its totient is φ = 25222050.

The previous prime is 25222031. The next prime is 25222061. The reversal of 25222051 is 15022252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25222051 - 2⁵ = 25222019 is a prime.

It is not a weakly prime, because it can be changed into another prime (25222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611025 + 12611026.

It is an arithmetic number, because the mean of its divisors is an integer number (12611026).

Almost surely, 2^25222051 is an apocalyptic number.

25222051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25222051 is an equidigital number, since it uses as much as digits as its factorization.

25222051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25222051 is about 5022.1560111171. The cubic root of 25222051 is about 293.2649313934.

The spelling of 25222051 in words is "twenty-five million, two hundred twenty-two thousand, fifty-one".