223544198 has 4 divisors (see below), whose sum is σ = 335316300. Its totient is φ = 111772098.

The previous prime is 223544197. The next prime is 223544207. The reversal of 223544198 is 891445322.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223544197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55886048 + ... + 55886051.

It is an arithmetic number, because the mean of its divisors is an integer number (83829075).

Almost surely, 2^223544198 is an apocalyptic number.

223544198 is a deficient number, since it is larger than the sum of its proper divisors (111772102).

223544198 is a wasteful number, since it uses less digits than its factorization.

223544198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111772101.

The product of its digits is 69120, while the sum is 38.

The square root of 223544198 is about 14951.3945169004. The cubic root of 223544198 is about 606.9055850951.

The spelling of 223544198 in words is "two hundred twenty-three million, five hundred forty-four thousand, one hundred ninety-eight".