2243011 has 4 divisors (see below), whose sum is σ = 2246392. Its totient is φ = 2239632.

The previous prime is 2242993. The next prime is 2243027. The reversal of 2243011 is 1103422.

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 2243011 - 2⁵ = 2242979 is a prime.

It is a super-2 number, since 2×2243011² = 10062196692242, which contains 22 as substring.

It is a Duffinian number.

2243011 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2242982 and 2243000.

It is not an unprimeable number, because it can be changed into a prime (2243081) 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, 330 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (561598).

2^2243011 is an apocalyptic number.

2243011 is a deficient number, since it is larger than the sum of its proper divisors (3381).

2243011 is an equidigital number, since it uses as much as digits as its factorization.

2243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2243011 is about 1497.6685214025. The cubic root of 2243011 is about 130.9012522342.

Adding to 2243011 its reverse (1103422), we get a palindrome (3346433).

The spelling of 2243011 in words is "two million, two hundred forty-three thousand, eleven".