2246236991 has 4 divisors (see below), whose sum is σ = 2246336400. Its totient is φ = 2246137584.

The previous prime is 2246236987. The next prime is 2246236999. The reversal of 2246236991 is 1996326422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2246236991 - 2² = 2246236987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246236999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390 + ... + 67068.

It is an arithmetic number, because the mean of its divisors is an integer number (561584100).

Almost surely, 2^2246236991 is an apocalyptic number.

2246236991 is a deficient number, since it is larger than the sum of its proper divisors (99409).

2246236991 is an equidigital number, since it uses as much as digits as its factorization.

2246236991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99408.

The product of its digits is 279936, while the sum is 44.

The square root of 2246236991 is about 47394.4827063235. The cubic root of 2246236991 is about 1309.6397803347.

The spelling of 2246236991 in words is "two billion, two hundred forty-six million, two hundred thirty-six thousand, nine hundred ninety-one".