5511223 has 2 divisors, whose sum is σ = 5511224. Its totient is φ = 5511222.

The previous prime is 5511203. The next prime is 5511227. The reversal of 5511223 is 3221155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5511223 - 2⁹ = 5510711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5511223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5511227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755611 + 2755612.

It is an arithmetic number, because the mean of its divisors is an integer number (2755612).

Almost surely, 2^5511223 is an apocalyptic number.

5511223 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511223 is an equidigital number, since it uses as much as digits as its factorization.

5511223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 19.

The square root of 5511223 is about 2347.5994121655. The cubic root of 5511223 is about 176.6373991309.

Adding to 5511223 its reverse (3221155), we get a palindrome (8732378).

The spelling of 5511223 in words is "five million, five hundred eleven thousand, two hundred twenty-three".