84220006 has 16 divisors (see below), whose sum is σ = 144051264. Its totient is φ = 36584064.

The previous prime is 84220001. The next prime is 84220009. The reversal of 84220006 is 60002248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84220001) 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, 94830 + ... + 95713.

It is an arithmetic number, because the mean of its divisors is an integer number (9003204).

Almost surely, 2^84220006 is an apocalyptic number.

84220006 is a deficient number, since it is larger than the sum of its proper divisors (59831258).

84220006 is a wasteful number, since it uses less digits than its factorization.

84220006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190575.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 84220006 is about 9177.1458526058. The cubic root of 84220006 is about 438.3339300674. Note that the first 3 decimals are identical.

The spelling of 84220006 in words is "eighty-four million, two hundred twenty thousand, six".