2194705215 has 48 divisors (see below), whose sum is σ = 3869087040. Its totient is φ = 1150640640.

The previous prime is 2194705207. The next prime is 2194705273. The reversal of 2194705215 is 5125074912.

It is not a de Polignac number, because 2194705215 - 2³ = 2194705207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2194705215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1178385 + ... + 1180245.

It is an arithmetic number, because the mean of its divisors is an integer number (80605980).

Almost surely, 2^2194705215 is an apocalyptic number.

2194705215 is a deficient number, since it is larger than the sum of its proper divisors (1674381825).

2194705215 is a wasteful number, since it uses less digits than its factorization.

2194705215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2194705215 is about 46847.6809991701. The cubic root of 2194705215 is about 1299.5472220043.

The spelling of 2194705215 in words is "two billion, one hundred ninety-four million, seven hundred five thousand, two hundred fifteen".