2194436392 has 32 divisors (see below), whose sum is σ = 4216665600. Its totient is φ = 1070154304.

The previous prime is 2194436353. The next prime is 2194436423. The reversal of 2194436392 is 2936344912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100209 + ... + 120127.

It is an arithmetic number, because the mean of its divisors is an integer number (131770800).

Almost surely, 2^2194436392 is an apocalyptic number.

It is an amenable number.

2194436392 is a deficient number, since it is larger than the sum of its proper divisors (2022229208).

2194436392 is a wasteful number, since it uses less digits than its factorization.

2194436392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265 (or 20261 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 2194436392 is about 46844.8117938369. The cubic root of 2194436392 is about 1299.4941605962.

The spelling of 2194436392 in words is "two billion, one hundred ninety-four million, four hundred thirty-six thousand, three hundred ninety-two".