2321244 has 24 divisors (see below), whose sum is σ = 6018320. Its totient is φ = 773712.

The previous prime is 2321243. The next prime is 2321273. The reversal of 2321244 is 4421232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321243) 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, 10639 + ... + 10854.

2^2321244 is an apocalyptic number.

It is an amenable number.

2321244 is an abundant number, since it is smaller than the sum of its proper divisors (3697076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321244 is a wasteful number, since it uses less digits than its factorization.

2321244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506 (or 21498 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2321244 is about 1523.5629294519. The cubic root of 2321244 is about 132.4057761344.

Adding to 2321244 its reverse (4421232), we get a palindrome (6742476).

The spelling of 2321244 in words is "two million, three hundred twenty-one thousand, two hundred forty-four".