223007872 has 16 divisors (see below), whose sum is σ = 444273750. Its totient is φ = 111503872.

The previous prime is 223007801. The next prime is 223007879. The reversal of 223007872 is 278700322.

It can be written as a sum of positive squares in only one way, i.e., 215032896 + 7974976 = 14664^2 + 2824^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×223007872³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (223007879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870997 + ... + 871252.

Almost surely, 2^223007872 is an apocalyptic number.

It is an amenable number.

223007872 is a deficient number, since it is larger than the sum of its proper divisors (221265878).

223007872 is an equidigital number, since it uses as much as digits as its factorization.

223007872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742263 (or 1742251 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 223007872 is about 14933.4480947971. The cubic root of 223007872 is about 606.4198349135.

The spelling of 223007872 in words is "two hundred twenty-three million, seven thousand, eight hundred seventy-two".