223214405 has 16 divisors (see below), whose sum is σ = 273067200. Its totient is φ = 175113600.

The previous prime is 223214399. The next prime is 223214417. The reversal of 223214405 is 504412322.

It is a happy number.

It is not a de Polignac number, because 223214405 - 2⁴ = 223214389 is a prime.

It is a super-3 number, since 3×223214405³ (a number of 26 digits) contains 333 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 176666 + ... + 177924.

It is an arithmetic number, because the mean of its divisors is an integer number (17066700).

Almost surely, 2^223214405 is an apocalyptic number.

It is an amenable number.

223214405 is a deficient number, since it is larger than the sum of its proper divisors (49852795).

223214405 is a wasteful number, since it uses less digits than its factorization.

223214405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223214405 is about 14940.3616087429. The cubic root of 223214405 is about 606.6069838575.

Adding to 223214405 its reverse (504412322), we get a palindrome (727626727).

The spelling of 223214405 in words is "two hundred twenty-three million, two hundred fourteen thousand, four hundred five".