223843216 has 30 divisors (see below), whose sum is σ = 460717970. Its totient is φ = 105335808.

The previous prime is 223843211. The next prime is 223843223. The reversal of 223843216 is 612348322.

223843216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 171714816 + 52128400 = 13104^2 + 7220^2 .

It is not an unprimeable number, because it can be changed into a prime (223843211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19581 + ... + 28828.

Almost surely, 2^223843216 is an apocalyptic number.

It is an amenable number.

223843216 is an abundant number, since it is smaller than the sum of its proper divisors (236874754).

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

223843216 is a wasteful number, since it uses less digits than its factorization.

223843216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48451 (or 48428 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 223843216 is about 14961.3908444369. The cubic root of 223843216 is about 607.1760682785.

It can be divided in two parts, 22384 and 3216, that added together give a square (25600 = 160²).

The spelling of 223843216 in words is "two hundred twenty-three million, eight hundred forty-three thousand, two hundred sixteen".