2194235218 has 32 divisors (see below), whose sum is σ = 3856305024. Its totient is φ = 916780032.

The previous prime is 2194235189. The next prime is 2194235221. The reversal of 2194235218 is 8125324912.

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, 344196 + ... + 350512.

It is an arithmetic number, because the mean of its divisors is an integer number (120509532).

Almost surely, 2^2194235218 is an apocalyptic number.

2194235218 is a deficient number, since it is larger than the sum of its proper divisors (1662069806).

2194235218 is a wasteful number, since it uses less digits than its factorization.

2194235218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946.

The product of its digits is 34560, while the sum is 37.

The square root of 2194235218 is about 46842.6645057687. The cubic root of 2194235218 is about 1299.4544491957.

The spelling of 2194235218 in words is "two billion, one hundred ninety-four million, two hundred thirty-five thousand, two hundred eighteen".