82256428 has 12 divisors (see below), whose sum is σ = 144405072. Its totient is φ = 40997840.

The previous prime is 82256417. The next prime is 82256467. The reversal of 82256428 is 82465228.

It is a super-2 number, since 2×82256428² = 13532239894638368, which contains 22 as substring.

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, 31168 + ... + 33703.

It is an arithmetic number, because the mean of its divisors is an integer number (12033756).

Almost surely, 2^82256428 is an apocalyptic number.

It is an amenable number.

82256428 is a deficient number, since it is larger than the sum of its proper divisors (62148644).

82256428 is a wasteful number, since it uses less digits than its factorization.

82256428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65192 (or 65190 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 82256428 is about 9069.5329537965. The cubic root of 82256428 is about 434.9005418453.

The spelling of 82256428 in words is "eighty-two million, two hundred fifty-six thousand, four hundred twenty-eight".