223299328 has 54 divisors (see below), whose sum is σ = 510848744. Its totient is φ = 95428608.

The previous prime is 223299313. The next prime is 223299347. The reversal of 223299328 is 823992322.

Its product of digits (93312) is a multiple of the sum of its prime factors (729).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632400 + ... + 632752.

Almost surely, 2^223299328 is an apocalyptic number.

223299328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223299328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255424372).

223299328 is an abundant number, since it is smaller than the sum of its proper divisors (287549416).

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

223299328 is an frugal number, since it uses more digits than its factorization.

223299328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 362 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 223299328 is about 14943.2034048928. The cubic root of 223299328 is about 606.6839029573.

The spelling of 223299328 in words is "two hundred twenty-three million, two hundred ninety-nine thousand, three hundred twenty-eight".