84531722 has 32 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 35547120.

The previous prime is 84531697. The next prime is 84531731. The reversal of 84531722 is 22713548.

It is a super-2 number, since 2×84531722² = 14291224048570568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15623 + ... + 20325.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^84531722 is an apocalyptic number.

84531722 is a deficient number, since it is larger than the sum of its proper divisors (64490998).

84531722 is a wasteful number, since it uses less digits than its factorization.

84531722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778.

The product of its digits is 13440, while the sum is 32.

The square root of 84531722 is about 9194.1134428503. The cubic root of 84531722 is about 438.8740530108.

The spelling of 84531722 in words is "eighty-four million, five hundred thirty-one thousand, seven hundred twenty-two".