84222786 has 24 divisors (see below), whose sum is σ = 174464784. Its totient is φ = 27104560.

The previous prime is 84222773. The next prime is 84222793. The reversal of 84222786 is 68722248.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3300 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (7269366).

Almost surely, 2^84222786 is an apocalyptic number.

84222786 is an abundant number, since it is smaller than the sum of its proper divisors (90241998).

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

84222786 is a wasteful number, since it uses less digits than its factorization.

84222786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754 (or 16725 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 84222786 is about 9177.2973145693. The cubic root of 84222786 is about 438.3387529710.

The spelling of 84222786 in words is "eighty-four million, two hundred twenty-two thousand, seven hundred eighty-six".