223305164 has 12 divisors (see below), whose sum is σ = 391248144. Its totient is φ = 111519984.

The previous prime is 223305143. The next prime is 223305179. The reversal of 223305164 is 461503322.

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 3 ways as a sum of consecutive naturals, for example, 29312 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (32604012).

Almost surely, 2^223305164 is an apocalyptic number.

It is an amenable number.

223305164 is a deficient number, since it is larger than the sum of its proper divisors (167942980).

223305164 is a wasteful number, since it uses less digits than its factorization.

223305164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66304 (or 66302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 223305164 is about 14943.3986763387. The cubic root of 223305164 is about 606.6891882044.

Adding to 223305164 its reverse (461503322), we get a palindrome (684808486).

The spelling of 223305164 in words is "two hundred twenty-three million, three hundred five thousand, one hundred sixty-four".