223894272 has 72 divisors (see below), whose sum is σ = 681028096. Its totient is φ = 63968256.

The previous prime is 223894261. The next prime is 223894343. The reversal of 223894272 is 272498322.

It is a self number, because there is not a number n which added to its sum of digits gives 223894272.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15448 + ... + 26199.

Almost surely, 2^223894272 is an apocalyptic number.

It is an amenable number.

223894272 is an abundant number, since it is smaller than the sum of its proper divisors (457133824).

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

223894272 is an equidigital number, since it uses as much as digits as its factorization.

223894272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41673 (or 41659 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 223894272 is about 14963.0970056336. The cubic root of 223894272 is about 607.2222280048. Note that the first 5 decimals are identical.

The spelling of 223894272 in words is "two hundred twenty-three million, eight hundred ninety-four thousand, two hundred seventy-two".