82447922 has 16 divisors (see below), whose sum is σ = 126349440. Its totient is φ = 40339728.

The previous prime is 82447921. The next prime is 82447931. The reversal of 82447922 is 22974428.

It is not an unprimeable number, because it can be changed into a prime (82447921) 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, 19079 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (7896840).

Almost surely, 2^82447922 is an apocalyptic number.

82447922 is a deficient number, since it is larger than the sum of its proper divisors (43901518).

82447922 is a wasteful number, since it uses less digits than its factorization.

82447922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145.

The product of its digits is 64512, while the sum is 38.

The square root of 82447922 is about 9080.0838101859. The cubic root of 82447922 is about 435.2377649396.

The spelling of 82447922 in words is "eighty-two million, four hundred forty-seven thousand, nine hundred twenty-two".