2259919 has 2 divisors, whose sum is σ = 2259920. Its totient is φ = 2259918.

The previous prime is 2259913. The next prime is 2259937. The reversal of 2259919 is 9199522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2259919 - 2⁷ = 2259791 is a prime.

It is a super-2 number, since 2×2259919² = 10214467773122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129959 + 1129960.

It is an arithmetic number, because the mean of its divisors is an integer number (1129960).

2^2259919 is an apocalyptic number.

2259919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259919 is an equidigital number, since it uses as much as digits as its factorization.

2259919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 37.

The square root of 2259919 is about 1503.3026973966. The cubic root of 2259919 is about 131.2293439905.

The spelling of 2259919 in words is "two million, two hundred fifty-nine thousand, nine hundred nineteen".