5624220 has 72 divisors (see below), whose sum is σ = 18328464. Its totient is φ = 1284864.

The previous prime is 5624219. The next prime is 5624221. The reversal of 5624220 is 224265.

It is an interprime number because it is at equal distance from previous prime (5624219) and next prime (5624221).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5624221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1984 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (254562).

Almost surely, 2^5624220 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 5624220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9164232).

5624220 is an abundant number, since it is smaller than the sum of its proper divisors (12704244).

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

5624220 is a wasteful number, since it uses less digits than its factorization.

5624220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 5624220 is about 2371.5438009870. The cubic root of 5624220 is about 177.8364444689.

Adding to 5624220 its reverse (224265), we get a palindrome (5848485).

The spelling of 5624220 in words is "five million, six hundred twenty-four thousand, two hundred twenty".