223206864 has 40 divisors (see below), whose sum is σ = 577463040. Its totient is φ = 74293248.

The previous prime is 223206857. The next prime is 223206883. The reversal of 223206864 is 468602322.

It is a super-3 number, since 3×223206864³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33889 + ... + 39935.

It is an arithmetic number, because the mean of its divisors is an integer number (14436576).

Almost surely, 2^223206864 is an apocalyptic number.

223206864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223206864 is an abundant number, since it is smaller than the sum of its proper divisors (354256176).

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

223206864 is a wasteful number, since it uses less digits than its factorization.

223206864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6821 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 223206864 is about 14940.1092365484. The cubic root of 223206864 is about 606.6001526455.

The spelling of 223206864 in words is "two hundred twenty-three million, two hundred six thousand, eight hundred sixty-four".