105647228 has 18 divisors (see below), whose sum is σ = 186358536. Its totient is φ = 52405224.

The previous prime is 105647221. The next prime is 105647233. The reversal of 105647228 is 822746501.

It is a super-2 number, since 2×105647228² = 22322673568167968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105647221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76601 + ... + 77967.

It is an arithmetic number, because the mean of its divisors is an integer number (10353252).

Almost surely, 2^105647228 is an apocalyptic number.

It is an amenable number.

105647228 is a deficient number, since it is larger than the sum of its proper divisors (80711308).

105647228 is a wasteful number, since it uses less digits than its factorization.

105647228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 105647228 is about 10278.4837403189. The cubic root of 105647228 is about 472.7367539653.

It can be divided in two parts, 1056 and 47228, that added together give a palindrome (48284).

The spelling of 105647228 in words is "one hundred five million, six hundred forty-seven thousand, two hundred twenty-eight".