105222270 has 32 divisors (see below), whose sum is σ = 252917280. Its totient is φ = 28016640.

The previous prime is 105222223. The next prime is 105222283. The reversal of 105222270 is 72222501.

It is a happy number.

It is a super-3 number, since 3×105222270³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 20790 + ... + 25350.

It is an arithmetic number, because the mean of its divisors is an integer number (7903665).

Almost surely, 2^105222270 is an apocalyptic number.

105222270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105222270 is an abundant number, since it is smaller than the sum of its proper divisors (147695010).

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

105222270 is a wasteful number, since it uses less digits than its factorization.

105222270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 105222270 is about 10257.7906978062. The cubic root of 105222270 is about 472.1020528877.

Adding to 105222270 its reverse (72222501), we get a palindrome (177444771).

The spelling of 105222270 in words is "one hundred five million, two hundred twenty-two thousand, two hundred seventy".