84223772 has 24 divisors (see below), whose sum is σ = 152832960. Its totient is φ = 40564160.

The previous prime is 84223747. The next prime is 84223781. The reversal of 84223772 is 27732248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91997 + ... + 92907.

It is an arithmetic number, because the mean of its divisors is an integer number (6368040).

Almost surely, 2^84223772 is an apocalyptic number.

It is an amenable number.

84223772 is a deficient number, since it is larger than the sum of its proper divisors (68609188).

84223772 is a wasteful number, since it uses less digits than its factorization.

84223772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1739 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 84223772 is about 9177.3510339313. The cubic root of 84223772 is about 438.3404635150.

The spelling of 84223772 in words is "eighty-four million, two hundred twenty-three thousand, seven hundred seventy-two".