5538220 has 24 divisors (see below), whose sum is σ = 11806704. Its totient is φ = 2181696.

The previous prime is 5538199. The next prime is 5538223. The reversal of 5538220 is 228355.

It is not an unprimeable number, because it can be changed into a prime (5538223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (491946).

Almost surely, 2^5538220 is an apocalyptic number.

It is an amenable number.

5538220 is an abundant number, since it is smaller than the sum of its proper divisors (6268484).

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

5538220 is a wasteful number, since it uses less digits than its factorization.

5538220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5538220 is about 2353.3423040433. The cubic root of 5538220 is about 176.9253518199.

The spelling of 5538220 in words is "five million, five hundred thirty-eight thousand, two hundred twenty".