5223445 has 4 divisors (see below), whose sum is σ = 6268140. Its totient is φ = 4178752.

The previous prime is 5223431. The next prime is 5223457. The reversal of 5223445 is 5443225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2842596 + 2380849 = 1686^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 5223445 - 2⁹ = 5222933 is a prime.

It is a d-powerful number, because it can be written as 5 + 2 + 2²¹ + 3¹⁰ + 4⁸ + 4¹⁰ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522340 + ... + 522349.

It is an arithmetic number, because the mean of its divisors is an integer number (1567035).

Almost surely, 2^5223445 is an apocalyptic number.

It is an amenable number.

5223445 is a deficient number, since it is larger than the sum of its proper divisors (1044695).

5223445 is a wasteful number, since it uses less digits than its factorization.

5223445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044694.

The product of its digits is 4800, while the sum is 25.

The square root of 5223445 is about 2285.4857251797. The cubic root of 5223445 is about 173.5078022220.

The spelling of 5223445 in words is "five million, two hundred twenty-three thousand, four hundred forty-five".