84222218 has 8 divisors (see below), whose sum is σ = 126588000. Its totient is φ = 42026220.

The previous prime is 84222197. The next prime is 84222227. The reversal of 84222218 is 81222248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41198 + ... + 43193.

It is an arithmetic number, because the mean of its divisors is an integer number (15823500).

Almost surely, 2^84222218 is an apocalyptic number.

84222218 is a deficient number, since it is larger than the sum of its proper divisors (42365782).

84222218 is a wasteful number, since it uses less digits than its factorization.

84222218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84892.

The product of its digits is 4096, while the sum is 29.

The square root of 84222218 is about 9177.2663685871. The cubic root of 84222218 is about 438.3377675807.

The spelling of 84222218 in words is "eighty-four million, two hundred twenty-two thousand, two hundred eighteen".