8222998 has 16 divisors (see below), whose sum is σ = 14552064. Its totient is φ = 3410280.

The previous prime is 8222989. The next prime is 8222999. The reversal of 8222998 is 8992228.

It is a happy number.

It is a super-2 number, since 2×8222998² = 135235392216008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8222998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222999) 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, 9040 + ... + 9907.

It is an arithmetic number, because the mean of its divisors is an integer number (909504).

Almost surely, 2^8222998 is an apocalyptic number.

8222998 is a deficient number, since it is larger than the sum of its proper divisors (6329066).

8222998 is a wasteful number, since it uses less digits than its factorization.

8222998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987.

The product of its digits is 41472, while the sum is 40.

The square root of 8222998 is about 2867.5770259925. The cubic root of 8222998 is about 201.8413124846.

The spelling of 8222998 in words is "eight million, two hundred twenty-two thousand, nine hundred ninety-eight".