223211064 has 16 divisors (see below), whose sum is σ = 558027720. Its totient is φ = 74403680.

The previous prime is 223211063. The next prime is 223211081. The reversal of 223211064 is 460112322.

It is a super-3 number, since 3×223211064³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223211064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211063) 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, 4650207 + ... + 4650254.

Almost surely, 2^223211064 is an apocalyptic number.

223211064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223211064 is an abundant number, since it is smaller than the sum of its proper divisors (334816656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223211064 is a wasteful number, since it uses less digits than its factorization.

223211064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300470 (or 9300466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 223211064 is about 14940.2497971085. The cubic root of 223211064 is about 606.6039573443.

Adding to 223211064 its reverse (460112322), we get a palindrome (683323386).

The spelling of 223211064 in words is "two hundred twenty-three million, two hundred eleven thousand, sixty-four".