2224091 has 4 divisors (see below), whose sum is σ = 2254632. Its totient is φ = 2193552.

The previous prime is 2224073. The next prime is 2224099. The reversal of 2224091 is 1904222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1904222 = 2 ⋅952111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224099) 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, 15161 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (563658).

2^2224091 is an apocalyptic number.

2224091 is a deficient number, since it is larger than the sum of its proper divisors (30541).

2224091 is an equidigital number, since it uses as much as digits as its factorization.

2224091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30540.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2224091 is about 1491.3386603988. The cubic root of 2224091 is about 130.5321578780.

The spelling of 2224091 in words is "two million, two hundred twenty-four thousand, ninety-one".