223378084 has 12 divisors (see below), whose sum is σ = 392162764. Its totient is φ = 111331584.

The previous prime is 223378081. The next prime is 223378121. The reversal of 223378084 is 480873322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 219691684 = 1920^2 + 14822^2 .

It is a super-2 number, since 2×223378084² = 99795536823022112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) 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 (223378081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87957 + ... + 90460.

Almost surely, 2^223378084 is an apocalyptic number.

It is an amenable number.

223378084 is a deficient number, since it is larger than the sum of its proper divisors (168784680).

223378084 is a wasteful number, since it uses less digits than its factorization.

223378084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178734 (or 178732 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 223378084 is about 14945.8383505242. The cubic root of 223378084 is about 606.7552188628.

The spelling of 223378084 in words is "two hundred twenty-three million, three hundred seventy-eight thousand, eighty-four".