244224321 has 8 divisors (see below), whose sum is σ = 355235424. Its totient is φ = 148014720.

The previous prime is 244224319. The next prime is 244224349. The reversal of 244224321 is 123422442.

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

It is not a de Polignac number, because 244224321 - 2¹ = 244224319 is a prime.

It is a super-2 number, since 2×244224321² = 119291037935822082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244224291 and 244224300.

It is not an unprimeable number, because it can be changed into a prime (244224521) 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, 3700336 + ... + 3700401.

It is an arithmetic number, because the mean of its divisors is an integer number (44404428).

Almost surely, 2^244224321 is an apocalyptic number.

It is an amenable number.

244224321 is a deficient number, since it is larger than the sum of its proper divisors (111011103).

244224321 is a wasteful number, since it uses less digits than its factorization.

244224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400751.

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

The square root of 244224321 is about 15627.6780424988. The cubic root of 244224321 is about 625.0714124268.

Adding to 244224321 its reverse (123422442), we get a palindrome (367646763).

The spelling of 244224321 in words is "two hundred forty-four million, two hundred twenty-four thousand, three hundred twenty-one".