2249719 has 2 divisors, whose sum is σ = 2249720. Its totient is φ = 2249718.

The previous prime is 2249693. The next prime is 2249743. The reversal of 2249719 is 9179422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2249719 - 2⁷ = 2249591 is a prime.

It is a super-2 number, since 2×2249719² = 10122471157922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249759) 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, 1124859 + 1124860.

It is an arithmetic number, because the mean of its divisors is an integer number (1124860).

2^2249719 is an apocalyptic number.

2249719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249719 is an equidigital number, since it uses as much as digits as its factorization.

2249719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 2249719 is about 1499.9063304087. The cubic root of 2249719 is about 131.0316144587.

The spelling of 2249719 in words is "two million, two hundred forty-nine thousand, seven hundred nineteen".