5540224 has 16 divisors (see below), whose sum is σ = 11037420. Its totient is φ = 2770048.

The previous prime is 5540221. The next prime is 5540237. The reversal of 5540224 is 4220455.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5540195 and 5540204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21514 + ... + 21769.

Almost surely, 2^5540224 is an apocalyptic number.

It is an amenable number.

5540224 is a deficient number, since it is larger than the sum of its proper divisors (5497196).

5540224 is an equidigital number, since it uses as much as digits as its factorization.

5540224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43297 (or 43285 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5540224 is about 2353.7680429473. The cubic root of 5540224 is about 176.9466893404.

Adding to 5540224 its reverse (4220455), we get a palindrome (9760679).

The spelling of 5540224 in words is "five million, five hundred forty thousand, two hundred twenty-four".