82270306 has 4 divisors (see below), whose sum is σ = 123405462. Its totient is φ = 41135152.

The previous prime is 82270301. The next prime is 82270319. The reversal of 82270306 is 60307228.

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., 80730225 + 1540081 = 8985^2 + 1241^2 .

It is not an unprimeable number, because it can be changed into a prime (82270301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20567575 + ... + 20567578.

Almost surely, 2^82270306 is an apocalyptic number.

82270306 is a deficient number, since it is larger than the sum of its proper divisors (41135156).

82270306 is a wasteful number, since it uses less digits than its factorization.

82270306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41135155.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 82270306 is about 9070.2980105397. The cubic root of 82270306 is about 434.9249987397.

The spelling of 82270306 in words is "eighty-two million, two hundred seventy thousand, three hundred six".