2272133 has 4 divisors (see below), whose sum is σ = 2333580. Its totient is φ = 2210688.

The previous prime is 2272129. The next prime is 2272141. The reversal of 2272133 is 3312722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 134689 = 1462^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272133 - 2² = 2272129 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 (2272103) 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, 30668 + ... + 30741.

It is an arithmetic number, because the mean of its divisors is an integer number (583395).

2^2272133 is an apocalyptic number.

It is an amenable number.

2272133 is a deficient number, since it is larger than the sum of its proper divisors (61447).

2272133 is an equidigital number, since it uses as much as digits as its factorization.

2272133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61446.

The product of its digits is 504, while the sum is 20.

The square root of 2272133 is about 1507.3596120369. The cubic root of 2272133 is about 131.4653342001.

Adding to 2272133 its reverse (3312722), we get a palindrome (5584855).

The spelling of 2272133 in words is "two million, two hundred seventy-two thousand, one hundred thirty-three".