223064560 has 80 divisors (see below), whose sum is σ = 551705760. Its totient is φ = 83635200.

The previous prime is 223064551. The next prime is 223064591. The reversal of 223064560 is 65460322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152794 + ... + 154246.

It is an arithmetic number, because the mean of its divisors is an integer number (6896322).

Almost surely, 2^223064560 is an apocalyptic number.

223064560 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 223064560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275852880).

223064560 is an abundant number, since it is smaller than the sum of its proper divisors (328641200).

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

223064560 is a wasteful number, since it uses less digits than its factorization.

223064560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 223064560 is about 14935.3459953226. The cubic root of 223064560 is about 606.4712139894.

The spelling of 223064560 in words is "two hundred twenty-three million, sixty-four thousand, five hundred sixty".