5312223 has 32 divisors (see below), whose sum is σ = 9131520. Its totient is φ = 3026808.

The previous prime is 5312221. The next prime is 5312227. The reversal of 5312223 is 3222135.

It is not a de Polignac number, because 5312223 - 2¹ = 5312221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5312196 and 5312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312221) 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 31 ways as a sum of consecutive naturals, for example, 15136 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (285360).

Almost surely, 2^5312223 is an apocalyptic number.

5312223 is the 1458-th heptagonal number.

5312223 is a deficient number, since it is larger than the sum of its proper divisors (3819297).

5312223 is an frugal number, since it uses more digits than its factorization.

5312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 357 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 5312223 is about 2304.8260238031. The cubic root of 5312223 is about 174.4852684449.

Adding to 5312223 its reverse (3222135), we get a palindrome (8534358).

The spelling of 5312223 in words is "five million, three hundred twelve thousand, two hundred twenty-three".