2245171 has 2 divisors, whose sum is σ = 2245172. Its totient is φ = 2245170.

The previous prime is 2245163. The next prime is 2245183. The reversal of 2245171 is 1715422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2245171 - 2³ = 2245163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122585 + 1122586.

It is an arithmetic number, because the mean of its divisors is an integer number (1122586).

2^2245171 is an apocalyptic number.

2245171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245171 is an equidigital number, since it uses as much as digits as its factorization.

2245171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 22.

The square root of 2245171 is about 1498.3894687297. The cubic root of 2245171 is about 130.9432576743.

It can be divided in two parts, 22451 and 71, that added together give a palindrome (22522).

The spelling of 2245171 in words is "two million, two hundred forty-five thousand, one hundred seventy-one".