223455000 has 80 divisors (see below), whose sum is σ = 698120280. Its totient is φ = 59584000.

The previous prime is 223454999. The next prime is 223455031. The reversal of 223455000 is 554322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7552 + ... + 22448.

Almost surely, 2^223455000 is an apocalyptic number.

223455000 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 223455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349060140).

223455000 is an abundant number, since it is smaller than the sum of its proper divisors (474665280).

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

223455000 is a wasteful number, since it uses less digits than its factorization.

223455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926 (or 14907 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 223455000 is about 14948.4112868224. The cubic root of 223455000 is about 606.8248524157.

The spelling of 223455000 in words is "two hundred twenty-three million, four hundred fifty-five thousand".