244346221 has 8 divisors (see below), whose sum is σ = 279440064. Its totient is φ = 209299200.

The previous prime is 244346203. The next prime is 244346233. The reversal of 244346221 is 122643442.

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

It is a cyclic number.

It is not a de Polignac number, because 244346221 - 2⁵ = 244346189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244346221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244346021) 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, 306 + ... + 22108.

It is an arithmetic number, because the mean of its divisors is an integer number (34930008).

Almost surely, 2^244346221 is an apocalyptic number.

It is an amenable number.

244346221 is a deficient number, since it is larger than the sum of its proper divisors (35093843).

244346221 is a wasteful number, since it uses less digits than its factorization.

244346221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23411.

The product of its digits is 9216, while the sum is 28.

The square root of 244346221 is about 15631.5776874889. The cubic root of 244346221 is about 625.1753926952.

Adding to 244346221 its reverse (122643442), we get a palindrome (366989663).

The spelling of 244346221 in words is "two hundred forty-four million, three hundred forty-six thousand, two hundred twenty-one".