2194687448 has 8 divisors (see below), whose sum is σ = 4115038980. Its totient is φ = 1097343720.

The previous prime is 2194687427. The next prime is 2194687459. The reversal of 2194687448 is 8447864912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2194687448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137167958 + ... + 137167973.

Almost surely, 2^2194687448 is an apocalyptic number.

It is an amenable number.

2194687448 is a deficient number, since it is larger than the sum of its proper divisors (1920351532).

2194687448 is a wasteful number, since it uses less digits than its factorization.

2194687448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274335937 (or 274335933 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 2194687448 is about 46847.4913736051. The cubic root of 2194687448 is about 1299.5437152133.

The spelling of 2194687448 in words is "two billion, one hundred ninety-four million, six hundred eighty-seven thousand, four hundred forty-eight".