223222456 has 16 divisors (see below), whose sum is σ = 418710600. Its totient is φ = 111566304.

The previous prime is 223222453. The next prime is 223222477. The reversal of 223222456 is 654222322.

223222456 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223222456³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25911 + ... + 33433.

Almost surely, 2^223222456 is an apocalyptic number.

It is an amenable number.

223222456 is a deficient number, since it is larger than the sum of its proper divisors (195488144).

223222456 is a wasteful number, since it uses less digits than its factorization.

223222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238 (or 11234 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 223222456 is about 14940.6310442364. The cubic root of 223222456 is about 606.6142768966.

Adding to 223222456 its reverse (654222322), we get a palindrome (877444778).

The spelling of 223222456 in words is "two hundred twenty-three million, two hundred twenty-two thousand, four hundred fifty-six".