223344040 has 16 divisors (see below), whose sum is σ = 502524180. Its totient is φ = 89337600.

The previous prime is 223344029. The next prime is 223344041. The reversal of 223344040 is 40443322.

It can be written as a sum of positive squares in 2 ways, for example, as 210656196 + 12687844 = 14514^2 + 3562^2 .

It is not an unprimeable number, because it can be changed into a prime (223344041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791761 + ... + 2791840.

Almost surely, 2^223344040 is an apocalyptic number.

223344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223344040 is an abundant number, since it is smaller than the sum of its proper divisors (279180140).

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

223344040 is a wasteful number, since it uses less digits than its factorization.

223344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583612 (or 5583608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223344040 is about 14944.6993947687. The cubic root of 223344040 is about 606.7243930632.

Adding to 223344040 its reverse (40443322), we get a palindrome (263787362).

The spelling of 223344040 in words is "two hundred twenty-three million, three hundred forty-four thousand, forty".