222223405 has 8 divisors (see below), whose sum is σ = 282354552. Its totient is φ = 167321088.

The previous prime is 222223387. The next prime is 222223471. The reversal of 222223405 is 504322222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64545156 + 157678249 = 8034^2 + 12557^2 .

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 222223405 - 2⁷ = 222223277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1307112 + ... + 1307281.

It is an arithmetic number, because the mean of its divisors is an integer number (35294319).

Almost surely, 2^222223405 is an apocalyptic number.

It is an amenable number.

222223405 is a deficient number, since it is larger than the sum of its proper divisors (60131147).

222223405 is a wasteful number, since it uses less digits than its factorization.

222223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614415.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222223405 is about 14907.1595215185. The cubic root of 222223405 is about 605.7079389004.

Adding to 222223405 its reverse (504322222), we get a palindrome (726545627).

The spelling of 222223405 in words is "two hundred twenty-two million, two hundred twenty-three thousand, four hundred five".