2194903347 has 16 divisors (see below), whose sum is σ = 3601893120. Its totient is φ = 1157751072.

The previous prime is 2194903343. The next prime is 2194903357. The reversal of 2194903347 is 7433094912.

It is not a de Polignac number, because 2194903347 - 2² = 2194903343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2194903299 and 2194903308.

It is not an unprimeable number, because it can be changed into a prime (2194903343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4019697 + ... + 4020242.

It is an arithmetic number, because the mean of its divisors is an integer number (225118320).

Almost surely, 2^2194903347 is an apocalyptic number.

2194903347 is a deficient number, since it is larger than the sum of its proper divisors (1406989773).

2194903347 is a wasteful number, since it uses less digits than its factorization.

2194903347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039962.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 2194903347 is about 46849.7955918700. The cubic root of 2194903347 is about 1299.5863273537.

The spelling of 2194903347 in words is "two billion, one hundred ninety-four million, nine hundred three thousand, three hundred forty-seven".