2644233 has 4 divisors (see below), whose sum is σ = 3525648. Its totient is φ = 1762820.

The previous prime is 2644219. The next prime is 2644247. The reversal of 2644233 is 3324462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2644219) and next prime (2644247).

It is a cyclic number.

It is not a de Polignac number, because 2644233 - 2¹⁰ = 2643209 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2645233) 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, 440703 + ... + 440708.

It is an arithmetic number, because the mean of its divisors is an integer number (881412).

2^2644233 is an apocalyptic number.

It is an amenable number.

2644233 is a deficient number, since it is larger than the sum of its proper divisors (881415).

2644233 is an equidigital number, since it uses as much as digits as its factorization.

2644233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881414.

The product of its digits is 3456, while the sum is 24.

The square root of 2644233 is about 1626.1097748922. The cubic root of 2644233 is about 138.2822933912.

Adding to 2644233 its reverse (3324462), we get a palindrome (5968695).

The spelling of 2644233 in words is "two million, six hundred forty-four thousand, two hundred thirty-three".