105224311 has 4 divisors (see below), whose sum is σ = 107671432. Its totient is φ = 102777192.

The previous prime is 105224303. The next prime is 105224321. The reversal of 105224311 is 113422501.

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

It is a cyclic number.

It is not a de Polignac number, because 105224311 - 2³ = 105224303 is a prime.

It is a super-2 number, since 2×105224311² = 22144311250849442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105224321) 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, 1223496 + ... + 1223581.

It is an arithmetic number, because the mean of its divisors is an integer number (26917858).

Almost surely, 2^105224311 is an apocalyptic number.

105224311 is a deficient number, since it is larger than the sum of its proper divisors (2447121).

105224311 is an equidigital number, since it uses as much as digits as its factorization.

105224311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447120.

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

The square root of 105224311 is about 10257.8901826838. The cubic root of 105224311 is about 472.1051053279.

Adding to 105224311 its reverse (113422501), we get a palindrome (218646812).

The spelling of 105224311 in words is "one hundred five million, two hundred twenty-four thousand, three hundred eleven".