82213466 has 4 divisors (see below), whose sum is σ = 123320202. Its totient is φ = 41106732.

The previous prime is 82213433. The next prime is 82213493. The reversal of 82213466 is 66431228.

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., 73599241 + 8614225 = 8579^2 + 2935^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20553365 + ... + 20553368.

Almost surely, 2^82213466 is an apocalyptic number.

82213466 is a deficient number, since it is larger than the sum of its proper divisors (41106736).

82213466 is a wasteful number, since it uses less digits than its factorization.

82213466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41106735.

The product of its digits is 13824, while the sum is 32.

The square root of 82213466 is about 9067.1641652724. The cubic root of 82213466 is about 434.8248134135.

The spelling of 82213466 in words is "eighty-two million, two hundred thirteen thousand, four hundred sixty-six".