2227091 has 4 divisors (see below), whose sum is σ = 2232384. Its totient is φ = 2221800.

The previous prime is 2227087. The next prime is 2227109. The reversal of 2227091 is 1907222.

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 2227091 - 2² = 2227087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2227031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (558096).

2^2227091 is an apocalyptic number.

2227091 is a deficient number, since it is larger than the sum of its proper divisors (5293).

2227091 is an equidigital number, since it uses as much as digits as its factorization.

2227091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2227091 is about 1492.3441292142. The cubic root of 2227091 is about 130.5908216250.

The spelling of 2227091 in words is "two million, two hundred twenty-seven thousand, ninety-one".