223243776 has 200 divisors, whose sum is σ = 762503280. Its totient is φ = 63700992.

The previous prime is 223243759. The next prime is 223243789. The reversal of 223243776 is 677342322.

It is a super-3 number, since 3×223243776³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 223243776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 289920 + ... + 290688.

Almost surely, 2^223243776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223243776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381251640).

223243776 is an abundant number, since it is smaller than the sum of its proper divisors (539259504).

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

223243776 is an frugal number, since it uses more digits than its factorization.

223243776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 781 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 223243776 is about 14941.3445178136. The cubic root of 223243776 is about 606.6335888793.

The spelling of 223243776 in words is "two hundred twenty-three million, two hundred forty-three thousand, seven hundred seventy-six".