223214465 has 4 divisors (see below), whose sum is σ = 267857364. Its totient is φ = 178571568.

The previous prime is 223214447. The next prime is 223214521. The reversal of 223214465 is 564412322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123454321 + 99760144 = 11111^2 + 9988^2 .

It is a cyclic number.

It is not a de Polignac number, because 223214465 - 2¹⁴ = 223198081 is a prime.

It is a super-3 number, since 3×223214465³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22321442 + ... + 22321451.

It is an arithmetic number, because the mean of its divisors is an integer number (66964341).

Almost surely, 2^223214465 is an apocalyptic number.

It is an amenable number.

223214465 is a deficient number, since it is larger than the sum of its proper divisors (44642899).

223214465 is an equidigital number, since it uses as much as digits as its factorization.

223214465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44642898.

The product of its digits is 11520, while the sum is 29.

The square root of 223214465 is about 14940.3636167263. The cubic root of 223214465 is about 606.6070382095.

Adding to 223214465 its reverse (564412322), we get a palindrome (787626787).

The spelling of 223214465 in words is "two hundred twenty-three million, two hundred fourteen thousand, four hundred sixty-five".