2255147 has 2 divisors, whose sum is σ = 2255148. Its totient is φ = 2255146.

The previous prime is 2255131. The next prime is 2255159. The reversal of 2255147 is 7415522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2255147 - 2⁴ = 2255131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2255447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127573 + 1127574.

It is an arithmetic number, because the mean of its divisors is an integer number (1127574).

2^2255147 is an apocalyptic number.

2255147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255147 is an equidigital number, since it uses as much as digits as its factorization.

2255147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 2255147 is about 1501.7146866166. The cubic root of 2255147 is about 131.1369118099.

The spelling of 2255147 in words is "two million, two hundred fifty-five thousand, one hundred forty-seven".