82022200 has 48 divisors (see below), whose sum is σ = 205377480. Its totient is φ = 30284160.

The previous prime is 82022147. The next prime is 82022203. The reversal of 82022200 is 222028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82022203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13174 + ... + 18373.

Almost surely, 2^82022200 is an apocalyptic number.

It is an amenable number.

82022200 is an abundant number, since it is smaller than the sum of its proper divisors (123355280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82022200 is a wasteful number, since it uses less digits than its factorization.

82022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31576 (or 31567 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 82022200 is about 9056.6108451230. The cubic root of 82022200 is about 434.4873513356.

Adding to 82022200 its reverse (222028), we get a palindrome (82244228).

The spelling of 82022200 in words is "eighty-two million, twenty-two thousand, two hundred".