82255228 has 24 divisors (see below), whose sum is σ = 157704624. Its totient is φ = 37228800.

The previous prime is 82255219. The next prime is 82255247.

82255228 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 82255193 and 82255202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6726 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (6571026).

Almost surely, 2^82255228 is an apocalyptic number.

It is an amenable number.

82255228 is a deficient number, since it is larger than the sum of its proper divisors (75449396).

82255228 is a wasteful number, since it uses less digits than its factorization.

82255228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 8011 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 82255228 is about 9069.4667979987. The cubic root of 82255228 is about 434.8984269824.

The spelling of 82255228 in words is "eighty-two million, two hundred fifty-five thousand, two hundred twenty-eight".