2194198088 has 16 divisors (see below), whose sum is σ = 4140328380. Its totient is φ = 1090110528.

The previous prime is 2194198081. The next prime is 2194198133. The reversal of 2194198088 is 8808914912.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1852613764 + 341584324 = 43042^2 + 18482^2 .

It is not an unprimeable number, because it can be changed into a prime (2194198081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872231 + ... + 874742.

Almost surely, 2^2194198088 is an apocalyptic number.

It is an amenable number.

2194198088 is a deficient number, since it is larger than the sum of its proper divisors (1946130292).

2194198088 is a wasteful number, since it uses less digits than its factorization.

2194198088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747136 (or 1747132 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 2194198088 is about 46842.2681773631. The cubic root of 2194198088 is about 1299.4471195324.

The spelling of 2194198088 in words is "two billion, one hundred ninety-four million, one hundred ninety-eight thousand, eighty-eight".