105500227 has 12 divisors (see below), whose sum is σ = 121559088. Its totient is φ = 89694000.

The previous prime is 105500203. The next prime is 105500233. The reversal of 105500227 is 722005501.

It is a de Polignac number, because none of the positive numbers 2^k-105500227 is a prime.

It is a super-2 number, since 2×105500227² = 22260595794103058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105500198 and 105500207.

It is not an unprimeable number, because it can be changed into a prime (105500327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 159277 + ... + 159937.

It is an arithmetic number, because the mean of its divisors is an integer number (10129924).

Almost surely, 2^105500227 is an apocalyptic number.

105500227 is a deficient number, since it is larger than the sum of its proper divisors (16058861).

105500227 is an frugal number, since it uses more digits than its factorization.

105500227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 105500227 is about 10271.3303422682. The cubic root of 105500227 is about 472.5173917434.

Adding to 105500227 its reverse (722005501), we get a palindrome (827505728).

The spelling of 105500227 in words is "one hundred five million, five hundred thousand, two hundred twenty-seven".