2100218 has 8 divisors (see below), whose sum is σ = 3178548. Its totient is φ = 1040704.

The previous prime is 2100193. The next prime is 2100221. The reversal of 2100218 is 8120012.

It can be written as a sum of positive squares in 2 ways, for example, as 1471369 + 628849 = 1213^2 + 793^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421 + ... + 4872.

2^2100218 is an apocalyptic number.

2100218 is a deficient number, since it is larger than the sum of its proper divisors (1078330).

2100218 is a wasteful number, since it uses less digits than its factorization.

2100218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9408.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2100218 is about 1449.2128898129. The cubic root of 2100218 is about 128.0623475559.

The spelling of 2100218 in words is "two million, one hundred thousand, two hundred eighteen".