82255225 has 24 divisors (see below), whose sum is σ = 112539672. Its totient is φ = 59251200.

The previous prime is 82255219. The next prime is 82255247. The reversal of 82255225 is 52255228.

It can be written as a sum of positive squares in 12 ways, for example, as 78641424 + 3613801 = 8868^2 + 1901^2 .

It is not a de Polignac number, because 82255225 - 2⁵ = 82255193 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10239 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (4689153).

Almost surely, 2^82255225 is an apocalyptic number.

It is an amenable number.

82255225 is a deficient number, since it is larger than the sum of its proper divisors (30284447).

82255225 is a wasteful number, since it uses less digits than its factorization.

82255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237 (or 6232 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 82255225 is about 9069.4666326086. The cubic root of 82255225 is about 434.8984216953.

The spelling of 82255225 in words is "eighty-two million, two hundred fifty-five thousand, two hundred twenty-five".