223550000 has 120 divisors (see below), whose sum is σ = 575400672. Its totient is φ = 83840000.

The previous prime is 223549987. The next prime is 223550003. The reversal of 223550000 is 55322.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (223550003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849869 + ... + 850131.

Almost surely, 2^223550000 is an apocalyptic number.

223550000 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 223550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287700336).

223550000 is an abundant number, since it is smaller than the sum of its proper divisors (351850672).

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

223550000 is an equidigital number, since it uses as much as digits as its factorization.

223550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 223550000 is about 14951.5885443654. The cubic root of 223550000 is about 606.9108357134.

The spelling of 223550000 in words is "two hundred twenty-three million, five hundred fifty thousand".