84221134 has 16 divisors (see below), whose sum is σ = 131861520. Its totient is φ = 40306240.

The previous prime is 84221107. The next prime is 84221171. The reversal of 84221134 is 43112248.

It is a junction number, because it is equal to n+sod(n) for n = 84221099 and 84221108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5344 + ... + 14035.

It is an arithmetic number, because the mean of its divisors is an integer number (8241345).

Almost surely, 2^84221134 is an apocalyptic number.

84221134 is a deficient number, since it is larger than the sum of its proper divisors (47640386).

84221134 is a wasteful number, since it uses less digits than its factorization.

84221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475.

The product of its digits is 1536, while the sum is 25.

The square root of 84221134 is about 9177.2073094161. The cubic root of 84221134 is about 438.3358869994.

The spelling of 84221134 in words is "eighty-four million, two hundred twenty-one thousand, one hundred thirty-four".