2194744235 has 4 divisors (see below), whose sum is σ = 2633693088. Its totient is φ = 1755795384.

The previous prime is 2194744229. The next prime is 2194744271. The reversal of 2194744235 is 5324474912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2194744235 - 2⁶ = 2194744171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2194744192 and 2194744201.

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, 219474419 + ... + 219474428.

It is an arithmetic number, because the mean of its divisors is an integer number (658423272).

Almost surely, 2^2194744235 is an apocalyptic number.

2194744235 is a deficient number, since it is larger than the sum of its proper divisors (438948853).

2194744235 is an equidigital number, since it uses as much as digits as its factorization.

2194744235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438948852.

The product of its digits is 241920, while the sum is 41.

The square root of 2194744235 is about 46848.0974533652. The cubic root of 2194744235 is about 1299.5549235750.

The spelling of 2194744235 in words is "two billion, one hundred ninety-four million, seven hundred forty-four thousand, two hundred thirty-five".