105221602 has 16 divisors (see below), whose sum is σ = 171005472. Its totient is φ = 48363840.

The previous prime is 105221593. The next prime is 105221609. The reversal of 105221602 is 206122501.

It is a super-2 number, since 2×105221602² = 22143171054892808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105221602.

It is not an unprimeable number, because it can be changed into a prime (105221609) 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 7 ways as a sum of consecutive naturals, for example, 34524 + ... + 37447.

It is an arithmetic number, because the mean of its divisors is an integer number (10687842).

Almost surely, 2^105221602 is an apocalyptic number.

105221602 is a deficient number, since it is larger than the sum of its proper divisors (65783870).

105221602 is a wasteful number, since it uses less digits than its factorization.

105221602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72033.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105221602 is about 10257.7581371370. The cubic root of 105221602 is about 472.1010538443.

The spelling of 105221602 in words is "one hundred five million, two hundred twenty-one thousand, six hundred two".