82022128 has 20 divisors (see below), whose sum is σ = 159072408. Its totient is φ = 40971200.

The previous prime is 82022123. The next prime is 82022147. The reversal of 82022128 is 82122028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21450 + ... + 24982.

Almost surely, 2^82022128 is an apocalyptic number.

It is an amenable number.

82022128 is a deficient number, since it is larger than the sum of its proper divisors (77050280).

82022128 is a wasteful number, since it uses less digits than its factorization.

82022128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 82022128 is about 9056.6068701253. The cubic root of 82022128 is about 434.4872242030.

The spelling of 82022128 in words is "eighty-two million, twenty-two thousand, one hundred twenty-eight".