2246147 has 2 divisors, whose sum is σ = 2246148. Its totient is φ = 2246146.

The previous prime is 2246143. The next prime is 2246149. The reversal of 2246147 is 7416422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2246147 - 2² = 2246143 is a prime.

Together with 2246149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2246141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123073 + 1123074.

It is an arithmetic number, because the mean of its divisors is an integer number (1123074).

2^2246147 is an apocalyptic number.

2246147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246147 is an equidigital number, since it uses as much as digits as its factorization.

2246147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 2246147 is about 1498.7151163580. The cubic root of 2246147 is about 130.9622290733.

It can be divided in two parts, 2 and 246147, that multiplied together give a palindrome (492294).

The spelling of 2246147 in words is "two million, two hundred forty-six thousand, one hundred forty-seven".