223180421 has 8 divisors (see below), whose sum is σ = 228228000. Its totient is φ = 218175120.

The previous prime is 223180409. The next prime is 223180429. The reversal of 223180421 is 124081322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223180421 - 2⁶ = 223180357 is a prime.

It is a super-3 number, since 3×223180421³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223180429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (28528500).

Almost surely, 2^223180421 is an apocalyptic number.

It is an amenable number.

223180421 is a deficient number, since it is larger than the sum of its proper divisors (5047579).

223180421 is a wasteful number, since it uses less digits than its factorization.

223180421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21139.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 223180421 is about 14939.2242435811. The cubic root of 223180421 is about 606.5761973468.

Subtracting from 223180421 its reverse (124081322), we obtain a palindrome (99099099).

The spelling of 223180421 in words is "two hundred twenty-three million, one hundred eighty thousand, four hundred twenty-one".