105228489 has 8 divisors (see below), whose sum is σ = 140540512. Its totient is φ = 70034400.

The previous prime is 105228463. The next prime is 105228493. The reversal of 105228489 is 984822501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105228489 - 2⁵ = 105228457 is a prime.

It is a super-2 number, since 2×105228489² = 22146069794446242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105228449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27379 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (17567564).

Almost surely, 2^105228489 is an apocalyptic number.

It is an amenable number.

105228489 is a deficient number, since it is larger than the sum of its proper divisors (35312023).

105228489 is an equidigital number, since it uses as much as digits as its factorization.

105228489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58967.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 105228489 is about 10258.0938287774. The cubic root of 105228489 is about 472.1113536590. Note that the first 3 decimals are identical.

The spelling of 105228489 in words is "one hundred five million, two hundred twenty-eight thousand, four hundred eighty-nine".