223139280 has 320 divisors, whose sum is σ = 902942208. Its totient is φ = 44236800.

The previous prime is 223139219. The next prime is 223139309. The reversal of 223139280 is 82931322.

It is a happy number.

223139280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223139280³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370980 + ... + 371580.

Almost surely, 2^223139280 is an apocalyptic number.

223139280 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 223139280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451471104).

223139280 is an abundant number, since it is smaller than the sum of its proper divisors (679802928).

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

223139280 is a wasteful number, since it uses less digits than its factorization.

223139280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 223139280 is about 14937.8472344578. The cubic root of 223139280 is about 606.5389230423.

The spelling of 223139280 in words is "two hundred twenty-three million, one hundred thirty-nine thousand, two hundred eighty".