2268919 has 2 divisors, whose sum is σ = 2268920. Its totient is φ = 2268918.

The previous prime is 2268887. The next prime is 2268941. The reversal of 2268919 is 9198622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2268919 - 2⁵ = 2268887 is a prime.

It is a super-2 number, since 2×2268919² = 10295986857122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134459 + 1134460.

It is an arithmetic number, because the mean of its divisors is an integer number (1134460).

2^2268919 is an apocalyptic number.

2268919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268919 is an equidigital number, since it uses as much as digits as its factorization.

2268919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 2268919 is about 1506.2931321625. The cubic root of 2268919 is about 131.4033177354.

The spelling of 2268919 in words is "two million, two hundred sixty-eight thousand, nine hundred nineteen".