82555226 has 16 divisors (see below), whose sum is σ = 133564200. Its totient is φ = 38043648.

The previous prime is 82555223. The next prime is 82555229. The reversal of 82555226 is 62255528.

It is an interprime number because it is at equal distance from previous prime (82555223) and next prime (82555229).

It can be written as a sum of positive squares in 4 ways, for example, as 54982225 + 27573001 = 7415^2 + 5251^2 .

It is a super-2 number, since 2×82555226² = 13630730679822152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82555223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17930 + ... + 22058.

Almost surely, 2^82555226 is an apocalyptic number.

82555226 is a deficient number, since it is larger than the sum of its proper divisors (51008974).

82555226 is a wasteful number, since it uses less digits than its factorization.

82555226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its digits is 48000, while the sum is 35.

The square root of 82555226 is about 9085.9906449435. The cubic root of 82555226 is about 435.4265002681.

It can be divided in two parts, 8255522 and 6, that added together give a palindrome (8255528).

The spelling of 82555226 in words is "eighty-two million, five hundred fifty-five thousand, two hundred twenty-six".