244412313442221 has 16 divisors (see below), whose sum is σ = 326870273418624. Its totient is φ = 162448007576064.

The previous prime is 244412313442201. The next prime is 244412313442313. The reversal of 244412313442221 is 122244313214442.

It is not a de Polignac number, because 244412313442221 - 2²² = 244412309247917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244412313442221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244412313442201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8941696 + ... + 23849078.

It is an arithmetic number, because the mean of its divisors is an integer number (20429392088664).

Almost surely, 2^{244412313442221} is an apocalyptic number.

It is an amenable number.

244412313442221 is a deficient number, since it is larger than the sum of its proper divisors (82457959976403).

244412313442221 is a wasteful number, since it uses less digits than its factorization.

244412313442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14923940.

The product of its digits is 294912, while the sum is 39.

Adding to 244412313442221 its reverse (122244313214442), we get a palindrome (366656626656663).

The spelling of 244412313442221 in words is "two hundred forty-four trillion, four hundred twelve billion, three hundred thirteen million, four hundred forty-two thousand, two hundred twenty-one".