223289280 has 336 divisors, whose sum is σ = 825447168. Its totient is φ = 55296000.

The previous prime is 223289257. The next prime is 223289281. The reversal of 223289280 is 82982322.

It is a super-3 number, since 3×223289280³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223289281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3660450 + ... + 3660510.

It is an arithmetic number, because the mean of its divisors is an integer number (2456688).

Almost surely, 2^223289280 is an apocalyptic number.

223289280 is a gapful number since it is divisible by the number (20) 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 223289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412723584).

223289280 is an abundant number, since it is smaller than the sum of its proper divisors (602157888).

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

223289280 is a wasteful number, since it uses less digits than its factorization.

223289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 223289280 is about 14942.8671947522. The cubic root of 223289280 is about 606.6748029877.

The spelling of 223289280 in words is "two hundred twenty-three million, two hundred eighty-nine thousand, two hundred eighty".