223221288 has 48 divisors (see below), whose sum is σ = 592829280. Its totient is φ = 70028032.

The previous prime is 223221269. The next prime is 223221289. The reversal of 223221288 is 882122322.

It is a super-3 number, since 3×223221288³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (223221289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9156 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (12350610).

Almost surely, 2^223221288 is an apocalyptic number.

It is an amenable number.

223221288 is an abundant number, since it is smaller than the sum of its proper divisors (369607992).

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

223221288 is a wasteful number, since it uses less digits than its factorization.

223221288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32226 (or 32205 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 223221288 is about 14940.5919561442. The cubic root of 223221288 is about 606.6132188687.

The spelling of 223221288 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred eighty-eight".