223234245 has 64 divisors (see below), whose sum is σ = 429811200. Its totient is φ = 109278720.

The previous prime is 223234241. The next prime is 223234247. The reversal of 223234245 is 542432322.

It is a happy number.

223234245 is a `hidden beast` number, since 2 + 232 + 3 + 424 + 5 = 666.

It is not a de Polignac number, because 223234245 - 2² = 223234241 is a prime.

It is a super-3 number, since 3×223234245³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223234241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 545601 + ... + 546009.

It is an arithmetic number, because the mean of its divisors is an integer number (6715800).

Almost surely, 2^223234245 is an apocalyptic number.

It is an amenable number.

223234245 is a deficient number, since it is larger than the sum of its proper divisors (206576955).

223234245 is a wasteful number, since it uses less digits than its factorization.

223234245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 223234245 is about 14941.0255672092. The cubic root of 223234245 is about 606.6249557054.

Adding to 223234245 its reverse (542432322), we get a palindrome (765666567).

The spelling of 223234245 in words is "two hundred twenty-three million, two hundred thirty-four thousand, two hundred forty-five".