223479072 has 72 divisors (see below), whose sum is σ = 637014924. Its totient is φ = 74317824.

The previous prime is 223479049. The next prime is 223479107. The reversal of 223479072 is 270974322.

It can be written as a sum of positive squares in 2 ways, for example, as 222487056 + 992016 = 14916^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193248 + ... + 194400.

Almost surely, 2^223479072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223479072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318507462).

223479072 is an abundant number, since it is smaller than the sum of its proper divisors (413535852).

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

223479072 is a wasteful number, since it uses less digits than its factorization.

223479072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 223479072 is about 14949.2164343152. The cubic root of 223479072 is about 606.8466419831.

The spelling of 223479072 in words is "two hundred twenty-three million, four hundred seventy-nine thousand, seventy-two".