105106218 has 32 divisors (see below), whose sum is σ = 240570240. Its totient is φ = 29989440.

The previous prime is 105106217. The next prime is 105106273. The reversal of 105106218 is 812601501.

It is a super-2 number, since 2×105106218² = 22094634124527048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105106217) 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 15 ways as a sum of consecutive naturals, for example, 43728 + ... + 46068.

It is an arithmetic number, because the mean of its divisors is an integer number (7517820).

Almost surely, 2^105106218 is an apocalyptic number.

105106218 is an abundant number, since it is smaller than the sum of its proper divisors (135464022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105106218 is a wasteful number, since it uses less digits than its factorization.

105106218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 105106218 is about 10252.1323635622. The cubic root of 105106218 is about 471.9284250608.

Adding to 105106218 its reverse (812601501), we get a palindrome (917707719).

The spelling of 105106218 in words is "one hundred five million, one hundred six thousand, two hundred eighteen".