244225531224221 has 16 divisors (see below), whose sum is σ = 247620763127808. Its totient is φ = 240849396211200.

The previous prime is 244225531224211. The next prime is 244225531224239. The reversal of 244225531224221 is 122422135522442.

It is a cyclic number.

It is not a de Polignac number, because 244225531224221 - 2³⁴ = 244208351355037 is a prime.

It is a super-2 number, since 2×244225531224221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244225531224211) 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, 36319256 + ... + 42515166.

It is an arithmetic number, because the mean of its divisors is an integer number (15476297695488).

Almost surely, 2^{244225531224221} is an apocalyptic number.

It is an amenable number.

244225531224221 is a deficient number, since it is larger than the sum of its proper divisors (3395231903587).

244225531224221 is a wasteful number, since it uses less digits than its factorization.

244225531224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197452.

The product of its digits is 614400, while the sum is 41.

Adding to 244225531224221 its reverse (122422135522442), we get a palindrome (366647666746663).

The spelling of 244225531224221 in words is "two hundred forty-four trillion, two hundred twenty-five billion, five hundred thirty-one million, two hundred twenty-four thousand, two hundred twenty-one".