244422321 has 32 divisors (see below), whose sum is σ = 395243520. Its totient is φ = 132321600.

The previous prime is 244422317. The next prime is 244422349. The reversal of 244422321 is 123224442.

244422321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 244422321 - 2² = 244422317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244422291 and 244422300.

It is not an unprimeable number, because it can be changed into a prime (244422221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4110 + ... + 22488.

It is an arithmetic number, because the mean of its divisors is an integer number (12351360).

Almost surely, 2^244422321 is an apocalyptic number.

It is an amenable number.

244422321 is a deficient number, since it is larger than the sum of its proper divisors (150821199).

244422321 is a wasteful number, since it uses less digits than its factorization.

244422321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18437.

The product of its digits is 3072, while the sum is 24.

The square root of 244422321 is about 15634.0116732718. The cubic root of 244422321 is about 625.2402881934.

Adding to 244422321 its reverse (123224442), we get a palindrome (367646763).

The spelling of 244422321 in words is "two hundred forty-four million, four hundred twenty-two thousand, three hundred twenty-one".