244115450221 has 16 divisors (see below), whose sum is σ = 256319336448. Its totient is φ = 232044793200.

The previous prime is 244115450209. The next prime is 244115450251. The reversal of 244115450221 is 122054511442.

It is a cyclic number.

It is not a de Polignac number, because 244115450221 - 2¹⁹ = 244114925933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244115450251) 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, 26847886 + ... + 26856976.

It is an arithmetic number, because the mean of its divisors is an integer number (16019958528).

Almost surely, 2^244115450221 is an apocalyptic number.

It is an amenable number.

244115450221 is a deficient number, since it is larger than the sum of its proper divisors (12203886227).

244115450221 is a wasteful number, since it uses less digits than its factorization.

244115450221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 244115450221 its reverse (122054511442), we get a palindrome (366169961663).

The spelling of 244115450221 in words is "two hundred forty-four billion, one hundred fifteen million, four hundred fifty thousand, two hundred twenty-one".