223922328 has 128 divisors (see below), whose sum is σ = 662323200. Its totient is φ = 61762176.

The previous prime is 223922299. The next prime is 223922333. The reversal of 223922328 is 823229322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004025 + ... + 1004247.

It is an arithmetic number, because the mean of its divisors is an integer number (5174400).

Almost surely, 2^223922328 is an apocalyptic number.

223922328 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 223922328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331161600).

223922328 is an abundant number, since it is smaller than the sum of its proper divisors (438400872).

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

223922328 is a wasteful number, since it uses less digits than its factorization.

223922328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 223922328 is about 14964.0344827189. The cubic root of 223922328 is about 607.2475904450.

The spelling of 223922328 in words is "two hundred twenty-three million, nine hundred twenty-two thousand, three hundred twenty-eight".