2242519 has 2 divisors, whose sum is σ = 2242520. Its totient is φ = 2242518.

The previous prime is 2242517. The next prime is 2242529. The reversal of 2242519 is 9152422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2242519 - 2¹ = 2242517 is a prime.

It is a super-2 number, since 2×2242519² = 10057782930722, which contains 22 as substring.

Together with 2242517, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 4⁶ + 2²¹ + 5⁵ + 1 + 9⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2242493 and 2242502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242517) 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, 1121259 + 1121260.

It is an arithmetic number, because the mean of its divisors is an integer number (1121260).

2^2242519 is an apocalyptic number.

2242519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242519 is an equidigital number, since it uses as much as digits as its factorization.

2242519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 2242519 is about 1497.5042570891. The cubic root of 2242519 is about 130.8916805579.

Subtracting 2242519 from its reverse (9152422), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2242519 in words is "two million, two hundred forty-two thousand, five hundred nineteen".