84000222 has 12 divisors (see below), whose sum is σ = 182000520. Its totient is φ = 28000068.

The previous prime is 84000221. The next prime is 84000223. The reversal of 84000222 is 22200048.

It is an interprime number because it is at equal distance from previous prime (84000221) and next prime (84000223).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 4666679 = 84000222 / (8 + 4 + 0 + 0 + 0 + 2 + 2 + 2).

84000222 is a modest number, since divided by 222 gives 84 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 84000195 and 84000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84000221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2333322 + ... + 2333357.

It is an arithmetic number, because the mean of its divisors is an integer number (15166710).

Almost surely, 2^84000222 is an apocalyptic number.

84000222 is an abundant number, since it is smaller than the sum of its proper divisors (98000298).

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

84000222 is a wasteful number, since it uses less digits than its factorization.

84000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666687 (or 4666684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 84000222 is about 9165.1635009966. The cubic root of 84000222 is about 437.9522998032.

The spelling of 84000222 in words is "eighty-four million, two hundred twenty-two", and thus it is an aban number.