2197327394 has 4 divisors (see below), whose sum is σ = 3295991094. Its totient is φ = 1098663696.

The previous prime is 2197327393. The next prime is 2197327397. The reversal of 2197327394 is 4937237912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1803106369 + 394221025 = 42463^2 + 19855^2 .

It is not an unprimeable number, because it can be changed into a prime (2197327393) 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 as a sum of consecutive naturals, namely, 549331847 + ... + 549331850.

Almost surely, 2^2197327394 is an apocalyptic number.

2197327394 is a deficient number, since it is larger than the sum of its proper divisors (1098663700).

2197327394 is a wasteful number, since it uses less digits than its factorization.

2197327394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098663699.

The product of its digits is 571536, while the sum is 47.

The square root of 2197327394 is about 46875.6588647029. The cubic root of 2197327394 is about 1300.0645715461.

The spelling of 2197327394 in words is "two billion, one hundred ninety-seven million, three hundred twenty-seven thousand, three hundred ninety-four".