222224465 has 4 divisors (see below), whose sum is σ = 266669364. Its totient is φ = 177779568.

The previous prime is 222224441. The next prime is 222224467. The reversal of 222224465 is 564422222.

222224465 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 can be written as a sum of positive squares in 2 ways, for example, as 28430224 + 193794241 = 5332^2 + 13921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222224465 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222224467) 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, 22222442 + ... + 22222451.

It is an arithmetic number, because the mean of its divisors is an integer number (66667341).

Almost surely, 2^222224465 is an apocalyptic number.

It is an amenable number.

222224465 is a deficient number, since it is larger than the sum of its proper divisors (44444899).

222224465 is an equidigital number, since it uses as much as digits as its factorization.

222224465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44444898.

The product of its digits is 15360, while the sum is 29.

The square root of 222224465 is about 14907.1950748623. The cubic root of 222224465 is about 605.7089019694.

Adding to 222224465 its reverse (564422222), we get a palindrome (786646687).

The spelling of 222224465 in words is "two hundred twenty-two million, two hundred twenty-four thousand, four hundred sixty-five".