223165245 has 16 divisors (see below), whose sum is σ = 363802752. Its totient is φ = 116775360.

The previous prime is 223165223. The next prime is 223165253. The reversal of 223165245 is 542561322.

It is not a de Polignac number, because 223165245 - 2⁸ = 223164989 is a prime.

It is a super-3 number, since 3×223165245³ (a number of 26 digits) contains 333 as substring.

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, 139561 + ... + 141150.

It is an arithmetic number, because the mean of its divisors is an integer number (22737672).

Almost surely, 2^223165245 is an apocalyptic number.

It is an amenable number.

223165245 is a deficient number, since it is larger than the sum of its proper divisors (140637507).

223165245 is a wasteful number, since it uses less digits than its factorization.

223165245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280772.

The product of its digits is 14400, while the sum is 30.

The square root of 223165245 is about 14938.7163103126. The cubic root of 223165245 is about 606.5624482180.

It can be divided in two parts, 2231 and 65245, that added together give a palindrome (67476).

The spelling of 223165245 in words is "two hundred twenty-three million, one hundred sixty-five thousand, two hundred forty-five".