2225851 has 2 divisors, whose sum is σ = 2225852. Its totient is φ = 2225850.

The previous prime is 2225833. The next prime is 2225863. The reversal of 2225851 is 1585222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225851 - 2⁵ = 2225819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112925 + 1112926.

It is an arithmetic number, because the mean of its divisors is an integer number (1112926).

2^2225851 is an apocalyptic number.

2225851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225851 is an equidigital number, since it uses as much as digits as its factorization.

2225851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 25.

The square root of 2225851 is about 1491.9286175954. The cubic root of 2225851 is about 130.5665803342.

The spelling of 2225851 in words is "two million, two hundred twenty-five thousand, eight hundred fifty-one".