2211291 has 12 divisors (see below), whose sum is σ = 3209232. Its totient is φ = 1467216.

The previous prime is 2211281. The next prime is 2211329. The reversal of 2211291 is 1921122.

It is not a de Polignac number, because 2211291 - 2⁵ = 2211259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (267436).

2^2211291 is an apocalyptic number.

2211291 is a deficient number, since it is larger than the sum of its proper divisors (997941).

2211291 is a wasteful number, since it uses less digits than its factorization.

2211291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1167 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 2211291 is about 1487.0410216265. The cubic root of 2211291 is about 130.2812647908.

The spelling of 2211291 in words is "two million, two hundred eleven thousand, two hundred ninety-one".