105220444704244 has 12 divisors (see below), whose sum is σ = 184135960826244. Its totient is φ = 52610170182464.

The previous prime is 105220444704241. The next prime is 105220444704247. The reversal of 105220444704244 is 442407444022501.

It is an interprime number because it is at equal distance from previous prime (105220444704241) and next prime (105220444704247).

It can be written as a sum of positive squares in 2 ways, for example, as 36034448236900 + 69185996467344 = 6002870^2 + 8317812^2 .

It is a super-2 number, since 2×105220444704244² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105220444704244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105220444704241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8313937 + ... + 16720120.

It is an arithmetic number, because the mean of its divisors is an integer number (15344663402187).

Almost surely, 2^{105220444704244} is an apocalyptic number.

It is an amenable number.

105220444704244 is a deficient number, since it is larger than the sum of its proper divisors (78915516122000).

105220444704244 is a wasteful number, since it uses less digits than its factorization.

105220444704244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26084834 (or 26084832 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 43.

Adding to 105220444704244 its reverse (442407444022501), we get a palindrome (547627888726745).

The spelling of 105220444704244 in words is "one hundred five trillion, two hundred twenty billion, four hundred forty-four million, seven hundred four thousand, two hundred forty-four".