84243522 has 32 divisors (see below), whose sum is σ = 186557184. Its totient is φ = 25146000.

The previous prime is 84243499. The next prime is 84243527. The reversal of 84243522 is 22534248.

It is a self number, because there is not a number n which added to its sum of digits gives 84243522.

It is not an unprimeable number, because it can be changed into a prime (84243527) 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, 5104 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (5829912).

Almost surely, 2^84243522 is an apocalyptic number.

84243522 is an abundant number, since it is smaller than the sum of its proper divisors (102313662).

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

84243522 is a wasteful number, since it uses less digits than its factorization.

84243522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19134.

The product of its digits is 15360, while the sum is 30.

The square root of 84243522 is about 9178.4269894138. The cubic root of 84243522 is about 438.3747236268.

The spelling of 84243522 in words is "eighty-four million, two hundred forty-three thousand, five hundred twenty-two".