223280398 has 8 divisors (see below), whose sum is σ = 365367960. Its totient is φ = 101491080.

The previous prime is 223280371. The next prime is 223280399. The reversal of 223280398 is 893082322.

It is a happy number.

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

It is a super-3 number, since 3×223280398³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223280399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074533 + ... + 5074576.

It is an arithmetic number, because the mean of its divisors is an integer number (45670995).

Almost surely, 2^223280398 is an apocalyptic number.

223280398 is a deficient number, since it is larger than the sum of its proper divisors (142087562).

223280398 is a wasteful number, since it uses less digits than its factorization.

223280398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149122.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 223280398 is about 14942.5699931437. The cubic root of 223280398 is about 606.6667587784. Note that the first 3 decimals are identical.

The spelling of 223280398 in words is "two hundred twenty-three million, two hundred eighty thousand, three hundred ninety-eight".