223879280 has 40 divisors (see below), whose sum is σ = 547918800. Its totient is φ = 84837888.

The previous prime is 223879237. The next prime is 223879291. The reversal of 223879280 is 82978322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72125 + ... + 75164.

It is an arithmetic number, because the mean of its divisors is an integer number (13697970).

Almost surely, 2^223879280 is an apocalyptic number.

223879280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223879280 is an abundant number, since it is smaller than the sum of its proper divisors (324039520).

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

223879280 is a wasteful number, since it uses less digits than its factorization.

223879280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147321 (or 147315 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 223879280 is about 14962.5960314379. The cubic root of 223879280 is about 607.2086744664.

It can be divided in two parts, 2238 and 79280, that added together give a palindrome (81518).

The spelling of 223879280 in words is "two hundred twenty-three million, eight hundred seventy-nine thousand, two hundred eighty".