82031522 has 4 divisors (see below), whose sum is σ = 123047286. Its totient is φ = 41015760.

The previous prime is 82031507. The next prime is 82031527. The reversal of 82031522 is 22513028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 22572001 = 7711^2 + 4751^2 .

It is not an unprimeable number, because it can be changed into a prime (82031527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20507879 + ... + 20507882.

Almost surely, 2^82031522 is an apocalyptic number.

82031522 is a deficient number, since it is larger than the sum of its proper divisors (41015764).

82031522 is a wasteful number, since it uses less digits than its factorization.

82031522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41015763.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 82031522 is about 9057.1254821825. The cubic root of 82031522 is about 434.5038108537.

The spelling of 82031522 in words is "eighty-two million, thirty-one thousand, five hundred twenty-two".