2213091 has 6 divisors (see below), whose sum is σ = 3196700. Its totient is φ = 1475388.

The previous prime is 2213069. The next prime is 2213093. The reversal of 2213091 is 1903122.

It is a happy number.

It is not a de Polignac number, because 2213091 - 2⁷ = 2212963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122941 + ... + 122958.

2^2213091 is an apocalyptic number.

2213091 is a deficient number, since it is larger than the sum of its proper divisors (983609).

2213091 is a wasteful number, since it uses less digits than its factorization.

2213091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245905 (or 245902 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2213091 is about 1487.6461272762. The cubic root of 2213091 is about 130.3166050326.

The spelling of 2213091 in words is "two million, two hundred thirteen thousand, ninety-one".