82228304 has 20 divisors (see below), whose sum is σ = 160212960. Its totient is φ = 40883040.

The previous prime is 82228301. The next prime is 82228313. The reversal of 82228304 is 40382228.

It is a super-2 number, since 2×82228304² = 13522987957432832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82228301) 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, 11492 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (8010648).

Almost surely, 2^82228304 is an apocalyptic number.

It is an amenable number.

82228304 is a deficient number, since it is larger than the sum of its proper divisors (77984656).

82228304 is a wasteful number, since it uses less digits than its factorization.

82228304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28898 (or 28892 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 82228304 is about 9067.9823555188. The cubic root of 82228304 is about 434.8509711010.

The spelling of 82228304 in words is "eighty-two million, two hundred twenty-eight thousand, three hundred four".