5223447 has 20 divisors (see below), whose sum is σ = 7942440. Its totient is φ = 3420144.

The previous prime is 5223431. The next prime is 5223457. The reversal of 5223447 is 7443225.

It is not a de Polignac number, because 5223447 - 2⁴ = 5223431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 5⁹ + 2 + 2²¹ + 3¹⁰ + 4⁸ + 4¹⁰ + 7 .

It is a self number, because there is not a number n which added to its sum of digits gives 5223447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223457) 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 19 ways as a sum of consecutive naturals, for example, 4233 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (397122).

Almost surely, 2^5223447 is an apocalyptic number.

5223447 is a deficient number, since it is larger than the sum of its proper divisors (2718993).

5223447 is a wasteful number, since it uses less digits than its factorization.

5223447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1155 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 5223447 is about 2285.4861627234. The cubic root of 5223447 is about 173.5078243668.

It can be divided in two parts, 522 and 3447, that added together give a square (3969 = 63²).

The spelling of 5223447 in words is "five million, two hundred twenty-three thousand, four hundred forty-seven".