223223944 has 8 divisors (see below), whose sum is σ = 418544910. Its totient is φ = 111611968.

The previous prime is 223223941. The next prime is 223223971. The reversal of 223223944 is 449322322.

It can be written as a sum of positive squares in only one way, i.e., 187964100 + 35259844 = 13710^2 + 5938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×223223944³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223223941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13951489 + ... + 13951504.

Almost surely, 2^223223944 is an apocalyptic number.

It is an amenable number.

223223944 is a deficient number, since it is larger than the sum of its proper divisors (195320966).

223223944 is a wasteful number, since it uses less digits than its factorization.

223223944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27902999 (or 27902995 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 223223944 is about 14940.6808412468. The cubic root of 223223944 is about 606.6156247897.

The spelling of 223223944 in words is "two hundred twenty-three million, two hundred twenty-three thousand, nine hundred forty-four".