2272243 has 4 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 2263528.

The previous prime is 2272241. The next prime is 2272253. The reversal of 2272243 is 3422722.

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 2272243 - 2¹ = 2272241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2272241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (570240).

2^2272243 is an apocalyptic number.

2272243 is a deficient number, since it is larger than the sum of its proper divisors (8717).

2272243 is an equidigital number, since it uses as much as digits as its factorization.

2272243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716.

The product of its digits is 1344, while the sum is 22.

The square root of 2272243 is about 1507.3960992387. The cubic root of 2272243 is about 131.4674556946.

Adding to 2272243 its reverse (3422722), we get a palindrome (5694965).

The spelling of 2272243 in words is "two million, two hundred seventy-two thousand, two hundred forty-three".