105216344 has 16 divisors (see below), whose sum is σ = 197419200. Its totient is φ = 52571232.

The previous prime is 105216343. The next prime is 105216359. The reversal of 105216344 is 443612501.

It is a super-2 number, since 2×105216344² = 22140958089452672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105216341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10334 + ... + 17810.

It is an arithmetic number, because the mean of its divisors is an integer number (12338700).

Almost surely, 2^105216344 is an apocalyptic number.

It is an amenable number.

105216344 is a deficient number, since it is larger than the sum of its proper divisors (92202856).

105216344 is a wasteful number, since it uses less digits than its factorization.

105216344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242 (or 9238 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105216344 is about 10257.5018401168. The cubic root of 105216344 is about 472.0931899689.

Adding to 105216344 its reverse (443612501), we get a palindrome (548828845).

The spelling of 105216344 in words is "one hundred five million, two hundred sixteen thousand, three hundred forty-four".