2198203812 has 48 divisors (see below), whose sum is σ = 6513198720. Its totient is φ = 628058016.

The previous prime is 2198203729. The next prime is 2198203829. The reversal of 2198203812 is 2183028912.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453083 + ... + 1454594.

It is an arithmetic number, because the mean of its divisors is an integer number (135691640).

Almost surely, 2^2198203812 is an apocalyptic number.

It is an amenable number.

2198203812 is an abundant number, since it is smaller than the sum of its proper divisors (4314994908).

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

2198203812 is a wasteful number, since it uses less digits than its factorization.

2198203812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907697 (or 2907689 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2198203812 is about 46885.0062599974. The cubic root of 2198203812 is about 1300.2373949106.

The spelling of 2198203812 in words is "two billion, one hundred ninety-eight million, two hundred three thousand, eight hundred twelve".