105331228 has 24 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 51961200.

The previous prime is 105331207. The next prime is 105331241. The reversal of 105331228 is 822133501.

It is a super-2 number, since 2×105331228² = 22189335183975968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 184183 + ... + 184753.

It is an arithmetic number, because the mean of its divisors is an integer number (7783776).

Almost surely, 2^105331228 is an apocalyptic number.

It is an amenable number.

105331228 is a deficient number, since it is larger than the sum of its proper divisors (81479396).

105331228 is a wasteful number, since it uses less digits than its factorization.

105331228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105331228 is about 10263.1003113094. The cubic root of 105331228 is about 472.2649510730.

Adding to 105331228 its reverse (822133501), we get a palindrome (927464729).

The spelling of 105331228 in words is "one hundred five million, three hundred thirty-one thousand, two hundred twenty-eight".