2194241872 has 20 divisors (see below), whose sum is σ = 4258366336. Its totient is φ = 1095308640.

The previous prime is 2194241869. The next prime is 2194241873. The reversal of 2194241872 is 2781424912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194241873) 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, 103254 + ... + 122677.

Almost surely, 2^2194241872 is an apocalyptic number.

It is an amenable number.

2194241872 is a deficient number, since it is larger than the sum of its proper divisors (2064124464).

2194241872 is a wasteful number, since it uses less digits than its factorization.

2194241872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226546 (or 226540 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2194241872 is about 46842.7355307096. The cubic root of 2194241872 is about 1299.4557627226.

The spelling of 2194241872 in words is "two billion, one hundred ninety-four million, two hundred forty-one thousand, eight hundred seventy-two".