97228 has 12 divisors (see below), whose sum is σ = 172480. Its totient is φ = 47952.

The previous prime is 97213. The next prime is 97231. The reversal of 97228 is 82279.

Its product of digits (2016) is a multiple of the sum of its prime factors (336).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 97196 and 97205.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 325 + ... + 547.

2⁹⁷²²⁸ is an apocalyptic number.

It is an amenable number.

97228 is a deficient number, since it is larger than the sum of its proper divisors (75252).

97228 is a wasteful number, since it uses less digits than its factorization.

97228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 334 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 97228 is about 311.8140471499. The cubic root of 97228 is about 45.9829804712.

It can be divided in two parts, 9722 and 8, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 97228 in words is "ninety-seven thousand, two hundred twenty-eight".