105222242 has 8 divisors (see below), whose sum is σ = 157877100. Its totient is φ = 52596544.

The previous prime is 105222223. The next prime is 105222283. The reversal of 105222242 is 242222501.

It can be written as a sum of positive squares in 2 ways, for example, as 95667961 + 9554281 = 9781^2 + 3091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105222242² = 22143440423013128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9134 + ... + 17142.

Almost surely, 2^105222242 is an apocalyptic number.

105222242 is a deficient number, since it is larger than the sum of its proper divisors (52654858).

105222242 is an equidigital number, since it uses as much as digits as its factorization.

105222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 105222242 is about 10257.7893329898. The cubic root of 105222242 is about 472.1020110117.

Adding to 105222242 its reverse (242222501), we get a palindrome (347444743).

The spelling of 105222242 in words is "one hundred five million, two hundred twenty-two thousand, two hundred forty-two".