422028198 has 16 divisors (see below), whose sum is σ = 937840560. Its totient is φ = 140676048.

The previous prime is 422028193. The next prime is 422028199. The reversal of 422028198 is 891820224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422028193) 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, 3907615 + ... + 3907722.

It is an arithmetic number, because the mean of its divisors is an integer number (58615035).

Almost surely, 2^422028198 is an apocalyptic number.

422028198 is an abundant number, since it is smaller than the sum of its proper divisors (515812362).

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

422028198 is a wasteful number, since it uses less digits than its factorization.

422028198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7815348 (or 7815342 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 422028198 is about 20543.3249012909. The cubic root of 422028198 is about 750.0907730132.

The spelling of 422028198 in words is "four hundred twenty-two million, twenty-eight thousand, one hundred ninety-eight".