5223640 has 32 divisors (see below), whose sum is σ = 12030480. Its totient is φ = 2040192.

The previous prime is 5223629. The next prime is 5223643. The reversal of 5223640 is 463225.

It is a happy number.

5223640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223643) 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 7 ways as a sum of consecutive naturals, for example, 202 + ... + 3238.

Almost surely, 2^5223640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5223640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6015240).

5223640 is an abundant number, since it is smaller than the sum of its proper divisors (6806840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5223640 is a wasteful number, since it uses less digits than its factorization.

5223640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 5223640 is about 2285.5283852974. The cubic root of 5223640 is about 173.5099613080.

Adding to 5223640 its reverse (463225), we get a palindrome (5686865).

The spelling of 5223640 in words is "five million, two hundred twenty-three thousand, six hundred forty".