2266091 has 4 divisors (see below), whose sum is σ = 2277792. Its totient is φ = 2254392.

The previous prime is 2266087. The next prime is 2266093. The reversal of 2266091 is 1906622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2266091 - 2² = 2266087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2266091.

It is not an unprimeable number, because it can be changed into a prime (2266093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (569448).

2^2266091 is an apocalyptic number.

2266091 is a deficient number, since it is larger than the sum of its proper divisors (11701).

2266091 is a wasteful number, since it uses less digits than its factorization.

2266091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11700.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2266091 is about 1505.3541111645. The cubic root of 2266091 is about 131.3487009654.

The spelling of 2266091 in words is "two million, two hundred sixty-six thousand, ninety-one".