244023435221 has 2 divisors, whose sum is σ = 244023435222. Its totient is φ = 244023435220.

The previous prime is 244023435209. The next prime is 244023435233. The reversal of 244023435221 is 122534320442.

It is a balanced prime because it is at equal distance from previous prime (244023435209) and next prime (244023435233).

It can be written as a sum of positive squares in only one way, i.e., 243428758225 + 594676996 = 493385^2 + 24386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244023435221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244023435241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122011717610 + 122011717611.

It is an arithmetic number, because the mean of its divisors is an integer number (122011717611).

Almost surely, 2^244023435221 is an apocalyptic number.

It is an amenable number.

244023435221 is a deficient number, since it is larger than the sum of its proper divisors (1).

244023435221 is an equidigital number, since it uses as much as digits as its factorization.

244023435221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 244023435221 its reverse (122534320442), we get a palindrome (366557755663).

The spelling of 244023435221 in words is "two hundred forty-four billion, twenty-three million, four hundred thirty-five thousand, two hundred twenty-one".