223226407 has 4 divisors (see below), whose sum is σ = 227438280. Its totient is φ = 219014536.

The previous prime is 223226401. The next prime is 223226417. The reversal of 223226407 is 704622322.

223226407 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, and also an emirpimes, since its reverse is a distinct semiprime: 704622322 = 2 ⋅352311161.

It is a cyclic number.

It is not a de Polignac number, because 223226407 - 2¹¹ = 223224359 is a prime.

It is a super-3 number, since 3×223226407³ (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 (223226401) 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, 2105857 + ... + 2105962.

It is an arithmetic number, because the mean of its divisors is an integer number (56859570).

Almost surely, 2^223226407 is an apocalyptic number.

223226407 is a deficient number, since it is larger than the sum of its proper divisors (4211873).

223226407 is an equidigital number, since it uses as much as digits as its factorization.

223226407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211872.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 223226407 is about 14940.7632669820. The cubic root of 223226407 is about 606.6178558657.

Adding to 223226407 its reverse (704622322), we get a palindrome (927848729).

The spelling of 223226407 in words is "two hundred twenty-three million, two hundred twenty-six thousand, four hundred seven".