82540226 has 4 divisors (see below), whose sum is σ = 123810342. Its totient is φ = 41270112.

The previous prime is 82540223. The next prime is 82540243. The reversal of 82540226 is 62204528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 7284601 = 8675^2 + 2699^2 .

It is not an unprimeable number, because it can be changed into a prime (82540223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20635055 + ... + 20635058.

Almost surely, 2^82540226 is an apocalyptic number.

82540226 is a deficient number, since it is larger than the sum of its proper divisors (41270116).

82540226 is a wasteful number, since it uses less digits than its factorization.

82540226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41270115.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 82540226 is about 9085.1651608543. The cubic root of 82540226 is about 435.4001268393.

The spelling of 82540226 in words is "eighty-two million, five hundred forty thousand, two hundred twenty-six".