244424231 has 2 divisors, whose sum is σ = 244424232. Its totient is φ = 244424230.

The previous prime is 244424207. The next prime is 244424239. The reversal of 244424231 is 132424442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244424231 is a prime.

It is a super-2 number, since 2×244424231² = 119486409399882722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244424231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244424239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122212115 + 122212116.

It is an arithmetic number, because the mean of its divisors is an integer number (122212116).

Almost surely, 2^244424231 is an apocalyptic number.

244424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

244424231 is an equidigital number, since it uses as much as digits as its factorization.

244424231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 26.

The square root of 244424231 is about 15634.0727579220. The cubic root of 244424231 is about 625.2419168033.

Adding to 244424231 its reverse (132424442), we get a palindrome (376848673).

The spelling of 244424231 in words is "two hundred forty-four million, four hundred twenty-four thousand, two hundred thirty-one".