105222317 has 4 divisors (see below), whose sum is σ = 105246396. Its totient is φ = 105198240.

The previous prime is 105222307. The next prime is 105222319. The reversal of 105222317 is 713222501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4541161 + 100681156 = 2131^2 + 10034^2 .

It is a cyclic number.

It is not a de Polignac number, because 105222317 - 2⁴ = 105222301 is a prime.

It is a super-2 number, since 2×105222317² = 22143471989696978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105222292 and 105222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105222319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434 + ... + 14907.

It is an arithmetic number, because the mean of its divisors is an integer number (26311599).

Almost surely, 2^105222317 is an apocalyptic number.

It is an amenable number.

105222317 is a deficient number, since it is larger than the sum of its proper divisors (24079).

105222317 is an equidigital number, since it uses as much as digits as its factorization.

105222317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24078.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 105222317 is about 10257.7929887476. The cubic root of 105222317 is about 472.1021231795.

Adding to 105222317 its reverse (713222501), we get a palindrome (818444818).

The spelling of 105222317 in words is "one hundred five million, two hundred twenty-two thousand, three hundred seventeen".