83820522 has 16 divisors (see below), whose sum is σ = 167772672. Its totient is φ = 27918240.

The previous prime is 83820521. The next prime is 83820563. The reversal of 83820522 is 22502838.

It is a self number, because there is not a number n which added to its sum of digits gives 83820522.

It is not an unprimeable number, because it can be changed into a prime (83820521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (10485792).

Almost surely, 2^83820522 is an apocalyptic number.

83820522 is an abundant number, since it is smaller than the sum of its proper divisors (83952150).

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

83820522 is a wasteful number, since it uses less digits than its factorization.

83820522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 83820522 is about 9155.3548265482. The cubic root of 83820522 is about 437.6397759644.

The spelling of 83820522 in words is "eighty-three million, eight hundred twenty thousand, five hundred twenty-two".