223560000 has 420 divisors, whose sum is σ = 866497632. Its totient is φ = 57024000.

The previous prime is 223559971. The next prime is 223560017. The reversal of 223560000 is 65322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9719989 + ... + 9720011.

Almost surely, 2^223560000 is an apocalyptic number.

223560000 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 223560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433248816).

223560000 is an abundant number, since it is smaller than the sum of its proper divisors (642937632).

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

223560000 is an frugal number, since it uses more digits than its factorization.

223560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 223560000 is about 14951.9229532525. The cubic root of 223560000 is about 606.9198851697.

The spelling of 223560000 in words is "two hundred twenty-three million, five hundred sixty thousand".