244444231 has 2 divisors, whose sum is σ = 244444232. Its totient is φ = 244444230.

The previous prime is 244444217. The next prime is 244444259. The reversal of 244444231 is 132444442.

It is an a-pointer prime, because the next prime (244444259) can be obtained adding 244444231 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244444231 - 2¹³ = 244436039 is a prime.

It is a super-2 number, since 2×244444231² = 119505964138362722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244444231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244444201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122222115 + 122222116.

It is an arithmetic number, because the mean of its divisors is an integer number (122222116).

Almost surely, 2^244444231 is an apocalyptic number.

244444231 is a deficient number, since it is larger than the sum of its proper divisors (1).

244444231 is an equidigital number, since it uses as much as digits as its factorization.

244444231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 28.

The square root of 244444231 is about 15634.7123734337. The cubic root of 244444231 is about 625.2589698006.

Adding to 244444231 its reverse (132444442), we get a palindrome (376888673).

The spelling of 244444231 in words is "two hundred forty-four million, four hundred forty-four thousand, two hundred thirty-one".