2216898 has 24 divisors (see below), whose sum is σ = 4867200. Its totient is φ = 729144.

The previous prime is 2216897. The next prime is 2216909. The reversal of 2216898 is 8986122.

It is not an unprimeable number, because it can be changed into a prime (2216897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (202800).

2^2216898 is an apocalyptic number.

2216898 is an abundant number, since it is smaller than the sum of its proper divisors (2650302).

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

2216898 is a wasteful number, since it uses less digits than its factorization.

2216898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1643 counting only the distinct ones).

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

The square root of 2216898 is about 1488.9251156455. The cubic root of 2216898 is about 130.3912865695.

The spelling of 2216898 in words is "two million, two hundred sixteen thousand, eight hundred ninety-eight".