223285400 has 96 divisors (see below), whose sum is σ = 563661840. Its totient is φ = 81768960.

The previous prime is 223285399. The next prime is 223285409. The reversal of 223285400 is 4582322.

It is a super-3 number, since 3×223285400³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 223285400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223285409) 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, 407927 + ... + 408473.

Almost surely, 2^223285400 is an apocalyptic number.

223285400 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 223285400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281830920).

223285400 is an abundant number, since it is smaller than the sum of its proper divisors (340376440).

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

223285400 is a wasteful number, since it uses less digits than its factorization.

223285400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 223285400 is about 14942.7373663596. The cubic root of 223285400 is about 606.6712889932.

The spelling of 223285400 in words is "two hundred twenty-three million, two hundred eighty-five thousand, four hundred".