4511223 has 12 divisors (see below), whose sum is σ = 6545448. Its totient is φ = 2994000.

The previous prime is 4511219. The next prime is 4511231. The reversal of 4511223 is 3221154.

It is not a de Polignac number, because 4511223 - 2² = 4511219 is a prime.

It is a super-2 number, since 2×4511223² = 40702265911458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4511196 and 4511205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4511263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (545454).

Almost surely, 2^4511223 is an apocalyptic number.

4511223 is a deficient number, since it is larger than the sum of its proper divisors (2034225).

4511223 is a wasteful number, since it uses less digits than its factorization.

4511223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2251 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4511223 is about 2123.9639827455. The cubic root of 4511223 is about 165.2334986113.

Adding to 4511223 its reverse (3221154), we get a palindrome (7732377).

The spelling of 4511223 in words is "four million, five hundred eleven thousand, two hundred twenty-three".