2002198220 has 24 divisors (see below), whose sum is σ = 4586854608. Its totient is φ = 728072000.

The previous prime is 2002198189. The next prime is 2002198259. The reversal of 2002198220 is 228912002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002198220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550231 + ... + 4550670.

It is an arithmetic number, because the mean of its divisors is an integer number (191118942).

Almost surely, 2^2002198220 is an apocalyptic number.

2002198220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002198220 is an abundant number, since it is smaller than the sum of its proper divisors (2584656388).

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

2002198220 is a wasteful number, since it uses less digits than its factorization.

2002198220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100921 (or 9100919 counting only the distinct ones).

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

The square root of 2002198220 is about 44745.9296472875. The cubic root of 2002198220 is about 1260.3824781577.

It can be divided in two parts, 20021982 and 20, that added together give a palindrome (20022002).

The spelling of 2002198220 in words is "two billion, two million, one hundred ninety-eight thousand, two hundred twenty".