2272291 has 8 divisors (see below), whose sum is σ = 2628864. Its totient is φ = 1923720.

The previous prime is 2272273. The next prime is 2272297. The reversal of 2272291 is 1922722.

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 2272291 - 2¹³ = 2264099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2272297) 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, 1375 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (328608).

2^2272291 is an apocalyptic number.

2272291 is a deficient number, since it is larger than the sum of its proper divisors (356573).

2272291 is an equidigital number, since it uses as much as digits as its factorization.

2272291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001.

The product of its digits is 1008, while the sum is 25.

The square root of 2272291 is about 1507.4120206500. The cubic root of 2272291 is about 131.4683814163.

The spelling of 2272291 in words is "two million, two hundred seventy-two thousand, two hundred ninety-one".