223315056 has 120 divisors (see below), whose sum is σ = 682456320. Its totient is φ = 70497216.

The previous prime is 223315033. The next prime is 223315061. The reversal of 223315056 is 650513322.

It is a super-2 number, since 2×223315056² = 99739228472566272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72361 + ... + 75383.

It is an arithmetic number, because the mean of its divisors is an integer number (5687136).

Almost surely, 2^223315056 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 223315056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341228160).

223315056 is an abundant number, since it is smaller than the sum of its proper divisors (459141264).

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

223315056 is a wasteful number, since it uses less digits than its factorization.

223315056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 223315056 is about 14943.7296549422. The cubic root of 223315056 is about 606.6981464699.

Adding to 223315056 its reverse (650513322), we get a palindrome (873828378).

The spelling of 223315056 in words is "two hundred twenty-three million, three hundred fifteen thousand, fifty-six".