223081560 has 128 divisors (see below), whose sum is σ = 800856000. Its totient is φ = 54908928.

The previous prime is 223081553. The next prime is 223081561. The reversal of 223081560 is 65180322.

223081560 is a `hidden beast` number, since 2 + 23 + 0 + 81 + 560 = 666.

It is a super-3 number, since 3×223081560³ (a number of 26 digits) contains 333 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 not an unprimeable number, because it can be changed into a prime (223081561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6096 + ... + 21984.

Almost surely, 2^223081560 is an apocalyptic number.

223081560 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 223081560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400428000).

223081560 is an abundant number, since it is smaller than the sum of its proper divisors (577774440).

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

223081560 is a wasteful number, since it uses less digits than its factorization.

223081560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922 (or 15912 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 223081560 is about 14935.9151042044. The cubic root of 223081560 is about 606.4866202149.

The spelling of 223081560 in words is "two hundred twenty-three million, eighty-one thousand, five hundred sixty".