2218934 has 8 divisors (see below), whose sum is σ = 3503640. Its totient is φ = 1051056.

The previous prime is 2218933. The next prime is 2218943. The reversal of 2218934 is 4398122.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2218897 and 2218906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29159 + ... + 29234.

It is an arithmetic number, because the mean of its divisors is an integer number (437955).

2^2218934 is an apocalyptic number.

2218934 is a deficient number, since it is larger than the sum of its proper divisors (1284706).

2218934 is a wasteful number, since it uses less digits than its factorization.

2218934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58414.

The product of its digits is 3456, while the sum is 29.

The square root of 2218934 is about 1489.6086734441. The cubic root of 2218934 is about 130.4311914921.

The spelling of 2218934 in words is "two million, two hundred eighteen thousand, nine hundred thirty-four".