2245247 has 2 divisors, whose sum is σ = 2245248. Its totient is φ = 2245246.

The previous prime is 2245223. The next prime is 2245253. The reversal of 2245247 is 7425422.

2245247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2245247 - 2⁶ = 2245183 is a prime.

It is a super-2 number, since 2×2245247² = 10082268182018, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122623 + 1122624.

It is an arithmetic number, because the mean of its divisors is an integer number (1122624).

2^2245247 is an apocalyptic number.

2245247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245247 is an equidigital number, since it uses as much as digits as its factorization.

2245247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 26.

The square root of 2245247 is about 1498.4148290777. The cubic root of 2245247 is about 130.9447351527.

The spelling of 2245247 in words is "two million, two hundred forty-five thousand, two hundred forty-seven".