2246591 has 2 divisors, whose sum is σ = 2246592. Its totient is φ = 2246590.

The previous prime is 2246581. The next prime is 2246609. The reversal of 2246591 is 1956422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2246591 - 2⁶ = 2246527 is a prime.

It is a super-2 number, since 2×2246591² = 10094342242562, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 4⁷ + 6⁶ + 5⁷ + 9² + 1 .

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 (2246501) 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, 1123295 + 1123296.

It is an arithmetic number, because the mean of its divisors is an integer number (1123296).

2^2246591 is an apocalyptic number.

2246591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246591 is an equidigital number, since it uses as much as digits as its factorization.

2246591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 2246591 is about 1498.8632359225. The cubic root of 2246591 is about 130.9708576862.

The spelling of 2246591 in words is "two million, two hundred forty-six thousand, five hundred ninety-one".