223644272 has 30 divisors (see below), whose sum is σ = 452986632. Its totient is φ = 106956256.

The previous prime is 223644271. The next prime is 223644353. The reversal of 223644272 is 272446322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223644271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4748 + ... + 21675.

Almost surely, 2^223644272 is an apocalyptic number.

It is an amenable number.

223644272 is an abundant number, since it is smaller than the sum of its proper divisors (229342360).

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

223644272 is a wasteful number, since it uses less digits than its factorization.

223644272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26477 (or 26448 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 223644272 is about 14954.7407867873. The cubic root of 223644272 is about 606.9961360304.

The spelling of 223644272 in words is "two hundred twenty-three million, six hundred forty-four thousand, two hundred seventy-two".