223463221 has 4 divisors (see below), whose sum is σ = 230671744. Its totient is φ = 216254700.

The previous prime is 223463213. The next prime is 223463311. The reversal of 223463221 is 122364322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223463221 - 2³ = 223463213 is a prime.

It is a super-2 number, since 2×223463221² = 99871622279389682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223463021) 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, 3604215 + ... + 3604276.

It is an arithmetic number, because the mean of its divisors is an integer number (57667936).

Almost surely, 2^223463221 is an apocalyptic number.

It is an amenable number.

223463221 is a deficient number, since it is larger than the sum of its proper divisors (7208523).

223463221 is an equidigital number, since it uses as much as digits as its factorization.

223463221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208522.

The product of its digits is 3456, while the sum is 25.

The square root of 223463221 is about 14948.6862633477. The cubic root of 223463221 is about 606.8322941019.

The spelling of 223463221 in words is "two hundred twenty-three million, four hundred sixty-three thousand, two hundred twenty-one".