2194549832 has 8 divisors (see below), whose sum is σ = 4114780950. Its totient is φ = 1097274912.

The previous prime is 2194549831. The next prime is 2194549901. The reversal of 2194549832 is 2389454912.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2194547716 + 2116 = 46846^2 + 46^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2194549831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137159357 + ... + 137159372.

Almost surely, 2^2194549832 is an apocalyptic number.

It is an amenable number.

2194549832 is a deficient number, since it is larger than the sum of its proper divisors (1920231118).

2194549832 is a wasteful number, since it uses less digits than its factorization.

2194549832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274318735 (or 274318731 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 2194549832 is about 46846.0225846336. The cubic root of 2194549832 is about 1299.5165523863.

The spelling of 2194549832 in words is "two billion, one hundred ninety-four million, five hundred forty-nine thousand, eight hundred thirty-two".