5515223 has 16 divisors (see below), whose sum is σ = 6564096. Its totient is φ = 4536000.

The previous prime is 5515219. The next prime is 5515243. The reversal of 5515223 is 3225155.

It is not a de Polignac number, because 5515223 - 2² = 5515219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21848 + ... + 22098.

It is an arithmetic number, because the mean of its divisors is an integer number (410256).

Almost surely, 2^5515223 is an apocalyptic number.

5515223 is a deficient number, since it is larger than the sum of its proper divisors (1048873).

5515223 is a wasteful number, since it uses less digits than its factorization.

5515223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 1500, while the sum is 23.

The square root of 5515223 is about 2348.4511917432. The cubic root of 5515223 is about 176.6801227835.

The spelling of 5515223 in words is "five million, five hundred fifteen thousand, two hundred twenty-three".