195228 has 72 divisors (see below), whose sum is σ = 589680. Its totient is φ = 53760.

The previous prime is 195203. The next prime is 195229. The reversal of 195228 is 822591.

It is a super-2 number, since 2×195228² = 76227943968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195229) by changing a digit.

195228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6718 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

2¹⁹⁵²²⁸ is an apocalyptic number.

195228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294840).

195228 is an abundant number, since it is smaller than the sum of its proper divisors (394452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195228 is a wasteful number, since it uses less digits than its factorization.

195228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 62 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 195228 is about 441.8461270624. The cubic root of 195228 is about 58.0114919757.

The spelling of 195228 in words is "one hundred ninety-five thousand, two hundred twenty-eight".