223220244 has 48 divisors (see below), whose sum is σ = 585309312. Its totient is φ = 65695872.

The previous prime is 223220213. The next prime is 223220281. The reversal of 223220244 is 442022322.

It is a super-3 number, since 3×223220244³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223220244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27519 + ... + 34694.

It is an arithmetic number, because the mean of its divisors is an integer number (12193944).

Almost surely, 2^223220244 is an apocalyptic number.

It is an amenable number.

223220244 is an abundant number, since it is smaller than the sum of its proper divisors (362089068).

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

223220244 is a wasteful number, since it uses less digits than its factorization.

223220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62256 (or 62254 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 223220244 is about 14940.5570177286. The cubic root of 223220244 is about 606.6122731627.

Adding to 223220244 its reverse (442022322), we get a palindrome (665242566).

The spelling of 223220244 in words is "two hundred twenty-three million, two hundred twenty thousand, two hundred forty-four".