7998822 has 24 divisors (see below), whose sum is σ = 18664464. Its totient is φ = 2461104.

The previous prime is 7998803. The next prime is 7998827. The reversal of 7998822 is 2288997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16858 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (777686).

Almost surely, 2^7998822 is an apocalyptic number.

7998822 is an abundant number, since it is smaller than the sum of its proper divisors (10665642).

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

7998822 is a wasteful number, since it uses less digits than its factorization.

7998822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34204 (or 34201 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7998822 is about 2828.2188741326. The cubic root of 7998822 is about 199.9901828515.

The spelling of 7998822 in words is "seven million, nine hundred ninety-eight thousand, eight hundred twenty-two".