244233231221 has 8 divisors (see below), whose sum is σ = 279133399104. Its totient is φ = 209335489920.

The previous prime is 244233231139. The next prime is 244233231283. The reversal of 244233231221 is 122132332442.

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 244233231221 - 2¹⁸ = 244232969077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244233231721) 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, 385595 + ... + 798216.

It is an arithmetic number, because the mean of its divisors is an integer number (34891674888).

Almost surely, 2^244233231221 is an apocalyptic number.

It is an amenable number.

244233231221 is a deficient number, since it is larger than the sum of its proper divisors (34900167883).

244233231221 is a wasteful number, since it uses less digits than its factorization.

244233231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213291.

The product of its digits is 13824, while the sum is 29.

Adding to 244233231221 its reverse (122132332442), we get a palindrome (366365563663).

The spelling of 244233231221 in words is "two hundred forty-four billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-one".