105224312 has 8 divisors (see below), whose sum is σ = 197295600. Its totient is φ = 52612152.

The previous prime is 105224303. The next prime is 105224321. The reversal of 105224312 is 213422501.

It is an interprime number because it is at equal distance from previous prime (105224303) and next prime (105224321).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105224312² = 22144311671746688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6576512 + ... + 6576527.

It is an arithmetic number, because the mean of its divisors is an integer number (24661950).

Almost surely, 2^105224312 is an apocalyptic number.

It is an amenable number.

105224312 is a deficient number, since it is larger than the sum of its proper divisors (92071288).

105224312 is a wasteful number, since it uses less digits than its factorization.

105224312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153045 (or 13153041 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105224312 is about 10257.8902314267. The cubic root of 105224312 is about 472.1051068234.

Adding to 105224312 its reverse (213422501), we get a palindrome (318646813).

The spelling of 105224312 in words is "one hundred five million, two hundred twenty-four thousand, three hundred twelve".