2212918 has 8 divisors (see below), whose sum is σ = 3350160. Its totient is φ = 1096200.

The previous prime is 2212891. The next prime is 2212921. The reversal of 2212918 is 8192122.

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

It is a junction number, because it is equal to n+sod(n) for n = 2212892 and 2212901.

It is a congruent number.

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, 4858 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (418770).

2^2212918 is an apocalyptic number.

2212918 is a deficient number, since it is larger than the sum of its proper divisors (1137242).

2212918 is a wasteful number, since it uses less digits than its factorization.

2212918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262.

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

The square root of 2212918 is about 1487.5879805914. The cubic root of 2212918 is about 130.3132092752.

The spelling of 2212918 in words is "two million, two hundred twelve thousand, nine hundred eighteen".