105221354 has 32 divisors (see below), whose sum is σ = 190512000. Its totient is φ = 42577920.

The previous prime is 105221353. The next prime is 105221357. The reversal of 105221354 is 453122501.

It is a super-2 number, since 2×105221354² = 22143066675186632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105221353) 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, 118994 + ... + 119874.

It is an arithmetic number, because the mean of its divisors is an integer number (5953500).

Almost surely, 2^105221354 is an apocalyptic number.

105221354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105221354 is a deficient number, since it is larger than the sum of its proper divisors (85290646).

105221354 is a wasteful number, since it uses less digits than its factorization.

105221354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105221354 is about 10257.7460487185. The cubic root of 105221354 is about 472.1006829409.

Adding to 105221354 its reverse (453122501), we get a palindrome (558343855).

The spelling of 105221354 in words is "one hundred five million, two hundred twenty-one thousand, three hundred fifty-four".