5224644 has 36 divisors (see below), whose sum is σ = 13985244. Its totient is φ = 1638912.

The previous prime is 5224643. The next prime is 5224649. The reversal of 5224644 is 4464225.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 864900 = 2088^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5224643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3657 + ... + 4880.

It is an arithmetic number, because the mean of its divisors is an integer number (388479).

Almost surely, 2^5224644 is an apocalyptic number.

It is an amenable number.

5224644 is an abundant number, since it is smaller than the sum of its proper divisors (8760600).

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

5224644 is a wasteful number, since it uses less digits than its factorization.

5224644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564 (or 8559 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 5224644 is about 2285.7480176082. The cubic root of 5224644 is about 173.5210769822.

Adding to 5224644 its reverse (4464225), we get a palindrome (9688869).

The spelling of 5224644 in words is "five million, two hundred twenty-four thousand, six hundred forty-four".