5223198394 has 8 divisors (see below), whose sum is σ = 7835858100. Its totient is φ = 2611245696.

The previous prime is 5223198377. The next prime is 5223198397. The reversal of 5223198394 is 4938913225.

It can be written as a sum of positive squares in 2 ways, for example, as 4636929025 + 586269369 = 68095^2 + 24213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5223198397) 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, 157879 + ... + 188074.

Almost surely, 2^5223198394 is an apocalyptic number.

5223198394 is a deficient number, since it is larger than the sum of its proper divisors (2612659706).

5223198394 is a wasteful number, since it uses less digits than its factorization.

5223198394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353504.

The product of its digits is 466560, while the sum is 46.

The square root of 5223198394 is about 72271.6984302984. The cubic root of 5223198394 is about 1735.0507166531.

The spelling of 5223198394 in words is "five billion, two hundred twenty-three million, one hundred ninety-eight thousand, three hundred ninety-four".