2243091 has 8 divisors (see below), whose sum is σ = 3004560. Its totient is φ = 1488512.

The previous prime is 2243089. The next prime is 2243107. The reversal of 2243091 is 1903422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243091 - 2¹ = 2243089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (375570).

2^2243091 is an apocalyptic number.

2243091 is a deficient number, since it is larger than the sum of its proper divisors (761469).

2243091 is a wasteful number, since it uses less digits than its factorization.

2243091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2243091 is about 1497.6952293441. The cubic root of 2243091 is about 130.9028084720.

The spelling of 2243091 in words is "two million, two hundred forty-three thousand, ninety-one".