2297819 has 2 divisors, whose sum is σ = 2297820. Its totient is φ = 2297818.

The previous prime is 2297807. The next prime is 2297843. The reversal of 2297819 is 9187922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2297819 - 2¹² = 2293723 is a prime.

It is a super-2 number, since 2×2297819² = 10559944313522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2297849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148909 + 1148910.

It is an arithmetic number, because the mean of its divisors is an integer number (1148910).

2^2297819 is an apocalyptic number.

2297819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297819 is an equidigital number, since it uses as much as digits as its factorization.

2297819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 2297819 is about 1515.8558638604. The cubic root of 2297819 is about 131.9588753126.

The spelling of 2297819 in words is "two million, two hundred ninety-seven thousand, eight hundred nineteen".