2021002198 has 8 divisors (see below), whose sum is σ = 3048252480. Its totient is φ = 1004918040.

The previous prime is 2021002187. The next prime is 2021002213. The reversal of 2021002198 is 8912001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791078 + ... + 2791801.

It is an arithmetic number, because the mean of its divisors is an integer number (381031560).

Almost surely, 2^2021002198 is an apocalyptic number.

2021002198 is a deficient number, since it is larger than the sum of its proper divisors (1027250282).

2021002198 is a wasteful number, since it uses less digits than its factorization.

2021002198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583062.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2021002198 is about 44955.5580323501. The cubic root of 2021002198 is about 1264.3158872912.

The spelling of 2021002198 in words is "two billion, twenty-one million, two thousand, one hundred ninety-eight".