82609822 has 4 divisors (see below), whose sum is σ = 123914736. Its totient is φ = 41304910.

The previous prime is 82609801. The next prime is 82609831. The reversal of 82609822 is 22890628.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20652454 + ... + 20652457.

It is an arithmetic number, because the mean of its divisors is an integer number (30978684).

Almost surely, 2^82609822 is an apocalyptic number.

82609822 is a deficient number, since it is larger than the sum of its proper divisors (41304914).

82609822 is a wasteful number, since it uses less digits than its factorization.

82609822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41304913.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 82609822 is about 9088.9945538547. The cubic root of 82609822 is about 435.5224655502.

The spelling of 82609822 in words is "eighty-two million, six hundred nine thousand, eight hundred twenty-two".