84288222 has 16 divisors (see below), whose sum is σ = 187307280. Its totient is φ = 28096056.

The previous prime is 84288173. The next prime is 84288229. The reversal of 84288222 is 22288248.

84288222 is a `hidden beast` number, since 8 + 428 + 8 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84288229) 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, 780393 + ... + 780500.

It is an arithmetic number, because the mean of its divisors is an integer number (11706705).

Almost surely, 2^84288222 is an apocalyptic number.

84288222 is an abundant number, since it is smaller than the sum of its proper divisors (103019058).

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

84288222 is a wasteful number, since it uses less digits than its factorization.

84288222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560904 (or 1560898 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 84288222 is about 9180.8617242610. The cubic root of 84288222 is about 438.4522444653.

The spelling of 84288222 in words is "eighty-four million, two hundred eighty-eight thousand, two hundred twenty-two".