244222345 has 8 divisors (see below), whose sum is σ = 297871560. Its totient is φ = 192174720.

The previous prime is 244222337. The next prime is 244222361. The reversal of 244222345 is 543222442.

It can be written as a sum of positive squares in 4 ways, for example, as 6230016 + 237992329 = 2496^2 + 15427^2 .

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

It is not a de Polignac number, because 244222345 - 2³ = 244222337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400060 + ... + 400669.

It is an arithmetic number, because the mean of its divisors is an integer number (37233945).

Almost surely, 2^244222345 is an apocalyptic number.

It is an amenable number.

244222345 is a deficient number, since it is larger than the sum of its proper divisors (53649215).

244222345 is an equidigital number, since it uses as much as digits as its factorization.

244222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800795.

The product of its digits is 15360, while the sum is 28.

The square root of 244222345 is about 15627.6148212067. The cubic root of 244222345 is about 625.0697266208.

Adding to 244222345 its reverse (543222442), we get a palindrome (787444787).

The spelling of 244222345 in words is "two hundred forty-four million, two hundred twenty-two thousand, three hundred forty-five".