5144220 has 36 divisors (see below), whose sum is σ = 15604680. Its totient is φ = 1371744.

The previous prime is 5144189. The next prime is 5144263. The reversal of 5144220 is 224415.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5144193 and 5144202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14110 + ... + 14469.

Almost surely, 2^5144220 is an apocalyptic number.

It is an amenable number.

5144220 is an abundant number, since it is smaller than the sum of its proper divisors (10460460).

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

5144220 is a wasteful number, since it uses less digits than its factorization.

5144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28594 (or 28589 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5144220 is about 2268.0872999071. The cubic root of 5144220 is about 172.6261207467.

Adding to 5144220 its reverse (224415), we get a palindrome (5368635).

The spelling of 5144220 in words is "five million, one hundred forty-four thousand, two hundred twenty".