5220440224 has 12 divisors (see below), whose sum is σ = 10277741754. Its totient is φ = 2610220096.

The previous prime is 5220440213. The next prime is 5220440231. The reversal of 5220440224 is 4220440225.

It can be written as a sum of positive squares in only one way, i.e., 3545011600 + 1675428624 = 59540^2 + 40932^2 .

It is a super-2 number, since 2×5220440224² = 54505992264714340352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81569347 + ... + 81569410.

Almost surely, 2^5220440224 is an apocalyptic number.

It is an amenable number.

5220440224 is a deficient number, since it is larger than the sum of its proper divisors (5057301530).

5220440224 is a wasteful number, since it uses less digits than its factorization.

5220440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163138767 (or 163138759 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 5220440224 is about 72252.6139596347. The cubic root of 5220440224 is about 1734.7452583829.

Adding to 5220440224 its reverse (4220440225), we get a palindrome (9440880449).

Subtracting from 5220440224 its reverse (4220440225), we obtain a palindrome (999999999).

The spelling of 5220440224 in words is "five billion, two hundred twenty million, four hundred forty thousand, two hundred twenty-four".