84425212 has 6 divisors (see below), whose sum is σ = 147744128. Its totient is φ = 42212604.

The previous prime is 84425141. The next prime is 84425221. The reversal of 84425212 is 21252448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10553148 + ... + 10553155.

Almost surely, 2^84425212 is an apocalyptic number.

It is an amenable number.

84425212 is a deficient number, since it is larger than the sum of its proper divisors (63318916).

84425212 is a wasteful number, since it uses less digits than its factorization.

84425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106307 (or 21106305 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 84425212 is about 9188.3193240113. The cubic root of 84425212 is about 438.6896483845.

The spelling of 84425212 in words is "eighty-four million, four hundred twenty-five thousand, two hundred twelve".