84223722 has 16 divisors (see below), whose sum is σ = 183760992. Its totient is φ = 25522320.

The previous prime is 84223709. The next prime is 84223747. The reversal of 84223722 is 22732248.

It is a self number, because there is not a number n which added to its sum of digits gives 84223722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637993 + ... + 638124.

It is an arithmetic number, because the mean of its divisors is an integer number (11485062).

Almost surely, 2^84223722 is an apocalyptic number.

84223722 is an abundant number, since it is smaller than the sum of its proper divisors (99537270).

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

84223722 is a wasteful number, since it uses less digits than its factorization.

84223722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276133.

The product of its digits is 10752, while the sum is 30.

The square root of 84223722 is about 9177.3483098333. The cubic root of 84223722 is about 438.3403767737.

The spelling of 84223722 in words is "eighty-four million, two hundred twenty-three thousand, seven hundred twenty-two".