223142198 has 4 divisors (see below), whose sum is σ = 334713300. Its totient is φ = 111571098.

The previous prime is 223142177. The next prime is 223142203. The reversal of 223142198 is 891241322.

223142198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×223142198³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55785548 + ... + 55785551.

It is an arithmetic number, because the mean of its divisors is an integer number (83678325).

Almost surely, 2^223142198 is an apocalyptic number.

223142198 is a deficient number, since it is larger than the sum of its proper divisors (111571102).

223142198 is a wasteful number, since it uses less digits than its factorization.

223142198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111571101.

The product of its digits is 6912, while the sum is 32.

The square root of 223142198 is about 14937.9449055083. The cubic root of 223142198 is about 606.5415669409.

The spelling of 223142198 in words is "two hundred twenty-three million, one hundred forty-two thousand, one hundred ninety-eight".