202198220 has 24 divisors (see below), whose sum is σ = 485276064. Its totient is φ = 69325056.

The previous prime is 202198201. The next prime is 202198253. The reversal of 202198220 is 22891202.

It is a self number, because there is not a number n which added to its sum of digits gives 202198220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721997 + ... + 722276.

It is an arithmetic number, because the mean of its divisors is an integer number (20219836).

Almost surely, 2^202198220 is an apocalyptic number.

202198220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202198220 is an abundant number, since it is smaller than the sum of its proper divisors (283077844).

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

202198220 is a wasteful number, since it uses less digits than its factorization.

202198220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444289 (or 1444287 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 202198220 is about 14219.6420489406. The cubic root of 202198220 is about 586.9382903417.

The spelling of 202198220 in words is "two hundred two million, one hundred ninety-eight thousand, two hundred twenty".