82710228 has 12 divisors (see below), whose sum is σ = 192990560. Its totient is φ = 27570072.

The previous prime is 82710217. The next prime is 82710239. The reversal of 82710228 is 82201728.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82710217) and next prime (82710239).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 82710195 and 82710204.

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, 3446248 + ... + 3446271.

Almost surely, 2^82710228 is an apocalyptic number.

It is an amenable number.

82710228 is an abundant number, since it is smaller than the sum of its proper divisors (110280332).

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

82710228 is a wasteful number, since it uses less digits than its factorization.

82710228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892526 (or 6892524 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82710228 is about 9094.5163697692. The cubic root of 82710228 is about 435.6988423341.

The spelling of 82710228 in words is "eighty-two million, seven hundred ten thousand, two hundred twenty-eight".