2290111 has 4 divisors (see below), whose sum is σ = 2296224. Its totient is φ = 2284000.

The previous prime is 2290097. The next prime is 2290117. The reversal of 2290111 is 1110922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110922 = 2 ⋅555461.

It is a cyclic number.

It is not a de Polignac number, because 2290111 - 2¹⁹ = 1765823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (574056).

2^2290111 is an apocalyptic number.

2290111 is a deficient number, since it is larger than the sum of its proper divisors (6113).

2290111 is an equidigital number, since it uses as much as digits as its factorization.

2290111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2290111 is about 1513.3112700301. The cubic root of 2290111 is about 131.8111586501.

It can be divided in two parts, 2290 and 111, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2290111 in words is "two million, two hundred ninety thousand, one hundred eleven".