2107218 has 32 divisors (see below), whose sum is σ = 4539456. Its totient is φ = 649728.

The previous prime is 2107207. The next prime is 2107223. The reversal of 2107218 is 8127012.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2107194 and 2107203.

It is a congruent number.

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, 7305 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (141858).

2^2107218 is an apocalyptic number.

2107218 is an abundant number, since it is smaller than the sum of its proper divisors (2432238).

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

2107218 is a wasteful number, since it uses less digits than its factorization.

2107218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2107218 is about 1451.6259848873. The cubic root of 2107218 is about 128.2044665067.

The spelling of 2107218 in words is "two million, one hundred seven thousand, two hundred eighteen".