5220144 has 30 divisors (see below), whose sum is σ = 14609556. Its totient is φ = 1740000.

The previous prime is 5220113. The next prime is 5220151. The reversal of 5220144 is 4410225.

5220144 is a `hidden beast` number, since 522 + 0 + 144 = 666.

5220144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17982 + ... + 18269.

Almost surely, 2^5220144 is an apocalyptic number.

It is an amenable number.

5220144 is an abundant number, since it is smaller than the sum of its proper divisors (9389412).

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

5220144 is a wasteful number, since it uses less digits than its factorization.

5220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36265 (or 36256 counting only the distinct ones).

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

The square root of 5220144 is about 2284.7634450857. The cubic root of 5220144 is about 173.4712446150.

Adding to 5220144 its reverse (4410225), we get a palindrome (9630369).

The spelling of 5220144 in words is "five million, two hundred twenty thousand, one hundred forty-four".