2172233 has 8 divisors (see below), whose sum is σ = 2549952. Its totient is φ = 1811376.

The previous prime is 2172229. The next prime is 2172239. The reversal of 2172233 is 3322712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2172233 - 2² = 2172229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2172239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 4452.

It is an arithmetic number, because the mean of its divisors is an integer number (318744).

2^2172233 is an apocalyptic number.

It is an amenable number.

2172233 is a deficient number, since it is larger than the sum of its proper divisors (377719).

2172233 is an equidigital number, since it uses as much as digits as its factorization.

2172233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

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

The square root of 2172233 is about 1473.8497209689. The cubic root of 2172233 is about 129.5096517903.

Adding to 2172233 its reverse (3322712), we get a palindrome (5494945).

The spelling of 2172233 in words is "two million, one hundred seventy-two thousand, two hundred thirty-three".