82664422 has 16 divisors (see below), whose sum is σ = 125079552. Its totient is φ = 40973320.

The previous prime is 82664411. The next prime is 82664423. The reversal of 82664422 is 22446628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82664423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215643 + ... + 216025.

It is an arithmetic number, because the mean of its divisors is an integer number (7817472).

Almost surely, 2^82664422 is an apocalyptic number.

82664422 is a deficient number, since it is larger than the sum of its proper divisors (42415130).

82664422 is a wasteful number, since it uses less digits than its factorization.

82664422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 36864, while the sum is 34.

The square root of 82664422 is about 9091.9976902769. The cubic root of 82664422 is about 435.6183955862.

The spelling of 82664422 in words is "eighty-two million, six hundred sixty-four thousand, four hundred twenty-two".