105643226 has 16 divisors (see below), whose sum is σ = 176160768. Its totient is φ = 47185200.

The previous prime is 105643199. The next prime is 105643229. The reversal of 105643226 is 622346501.

It is a super-2 number, since 2×105643226² = 22320982399374152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105643229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64730 + ... + 66341.

It is an arithmetic number, because the mean of its divisors is an integer number (11010048).

Almost surely, 2^105643226 is an apocalyptic number.

105643226 is a deficient number, since it is larger than the sum of its proper divisors (70517542).

105643226 is a wasteful number, since it uses less digits than its factorization.

105643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131117.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 105643226 is about 10278.2890599555. The cubic root of 105643226 is about 472.7307846767.

Adding to 105643226 its reverse (622346501), we get a palindrome (727989727).

The spelling of 105643226 in words is "one hundred five million, six hundred forty-three thousand, two hundred twenty-six".