8222388 has 12 divisors (see below), whose sum is σ = 19185600. Its totient is φ = 2740792.

The previous prime is 8222377. The next prime is 8222393. The reversal of 8222388 is 8832228.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 342588 + ... + 342611.

It is an arithmetic number, because the mean of its divisors is an integer number (1598800).

Almost surely, 2^8222388 is an apocalyptic number.

It is an amenable number.

8222388 is an abundant number, since it is smaller than the sum of its proper divisors (10963212).

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

8222388 is a wasteful number, since it uses less digits than its factorization.

8222388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685206 (or 685204 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 8222388 is about 2867.4706624480. The cubic root of 8222388 is about 201.8363213510.

The spelling of 8222388 in words is "eight million, two hundred twenty-two thousand, three hundred eighty-eight".