82187322 has 32 divisors (see below), whose sum is σ = 188479872. Its totient is φ = 23404224.

The previous prime is 82187311. The next prime is 82187327. The reversal of 82187322 is 22378128.

It is not an unprimeable number, because it can be changed into a prime (82187327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10228 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (5889996).

Almost surely, 2^82187322 is an apocalyptic number.

82187322 is an abundant number, since it is smaller than the sum of its proper divisors (106292550).

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

82187322 is a wasteful number, since it uses less digits than its factorization.

82187322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502.

The product of its digits is 10752, while the sum is 33.

The square root of 82187322 is about 9065.7223650407. The cubic root of 82187322 is about 434.7787168889.

The spelling of 82187322 in words is "eighty-two million, one hundred eighty-seven thousand, three hundred twenty-two".