244430031221 has 8 divisors (see below), whose sum is σ = 245524709280. Its totient is φ = 243335590992.

The previous prime is 244430031191. The next prime is 244430031229. The reversal of 244430031221 is 122130034442.

244430031221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 244430031221 - 2¹⁰ = 244430030197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244430031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190446 + ... + 2299328.

It is an arithmetic number, because the mean of its divisors is an integer number (30690588660).

Almost surely, 2^244430031221 is an apocalyptic number.

It is an amenable number.

244430031221 is a deficient number, since it is larger than the sum of its proper divisors (1094678059).

244430031221 is a wasteful number, since it uses less digits than its factorization.

244430031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118915.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 244430031221 its reverse (122130034442), we get a palindrome (366560065663).

The spelling of 244430031221 in words is "two hundred forty-four billion, four hundred thirty million, thirty-one thousand, two hundred twenty-one".