82228166 has 8 divisors (see below), whose sum is σ = 127595520. Its totient is φ = 39696328.

The previous prime is 82228163. The next prime is 82228199. The reversal of 82228166 is 66182228.

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

It is a super-2 number, since 2×82228166² = 13522942567447112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82228163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708806 + ... + 708921.

It is an arithmetic number, because the mean of its divisors is an integer number (15949440).

Almost surely, 2^82228166 is an apocalyptic number.

82228166 is a deficient number, since it is larger than the sum of its proper divisors (45367354).

82228166 is a wasteful number, since it uses less digits than its factorization.

82228166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417758.

The product of its digits is 18432, while the sum is 35.

The square root of 82228166 is about 9067.9747463257. The cubic root of 82228166 is about 434.8507278374.

The spelling of 82228166 in words is "eighty-two million, two hundred twenty-eight thousand, one hundred sixty-six".