223480782 has 80 divisors (see below), whose sum is σ = 575363712. Its totient is φ = 63772920.

The previous prime is 223480753. The next prime is 223480787. The reversal of 223480782 is 287084322.

223480782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223480787) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 275157 + ... + 275967.

Almost surely, 2^223480782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223480782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287681856).

223480782 is an abundant number, since it is smaller than the sum of its proper divisors (351882930).

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

223480782 is an frugal number, since it uses more digits than its factorization.

223480782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 223480782 is about 14949.2736278389. The cubic root of 223480782 is about 606.8481897867.

The spelling of 223480782 in words is "two hundred twenty-three million, four hundred eighty thousand, seven hundred eighty-two".