2292191 has 8 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 2071000.

The previous prime is 2292181. The next prime is 2292193. The reversal of 2292191 is 1912922.

It is a happy number.

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 2292191 - 2¹⁰ = 2291167 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 2292191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292193) 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, 1556 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

2^2292191 is an apocalyptic number.

2292191 is a deficient number, since it is larger than the sum of its proper divisors (223777).

2292191 is a wasteful number, since it uses less digits than its factorization.

2292191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

The product of its digits is 648, while the sum is 26.

The square root of 2292191 is about 1513.9983487441. The cubic root of 2292191 is about 131.8510525311.

It can be divided in two parts, 22 and 92191, that multiplied together give a palindrome (2028202).

The spelling of 2292191 in words is "two million, two hundred ninety-two thousand, one hundred ninety-one".