223198847 has 4 divisors (see below), whose sum is σ = 227410200. Its totient is φ = 218987496.

The previous prime is 223198841. The next prime is 223198861. The reversal of 223198847 is 748891322.

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

It is a cyclic number.

It is not a de Polignac number, because 223198847 - 2⁶ = 223198783 is a prime.

It is a super-3 number, since 3×223198847³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223198798 and 223198807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223198841) 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, 2105597 + ... + 2105702.

It is an arithmetic number, because the mean of its divisors is an integer number (56852550).

Almost surely, 2^223198847 is an apocalyptic number.

223198847 is a deficient number, since it is larger than the sum of its proper divisors (4211353).

223198847 is an equidigital number, since it uses as much as digits as its factorization.

223198847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211352.

The product of its digits is 193536, while the sum is 44.

The square root of 223198847 is about 14939.8409295414. The cubic root of 223198847 is about 606.5928900677.

The spelling of 223198847 in words is "two hundred twenty-three million, one hundred ninety-eight thousand, eight hundred forty-seven".