82228472 has 16 divisors (see below), whose sum is σ = 154285560. Its totient is φ = 41085664.

The previous prime is 82228459. The next prime is 82228499. The reversal of 82228472 is 27482228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13403 + ... + 18549.

Almost surely, 2^82228472 is an apocalyptic number.

It is an amenable number.

82228472 is a deficient number, since it is larger than the sum of its proper divisors (72057088).

82228472 is a wasteful number, since it uses less digits than its factorization.

82228472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150 (or 7146 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 82228472 is about 9067.9916188757. The cubic root of 82228472 is about 434.8512672477.

The spelling of 82228472 in words is "eighty-two million, two hundred twenty-eight thousand, four hundred seventy-two".