5540422 has 4 divisors (see below), whose sum is σ = 8310636. Its totient is φ = 2770210.

The previous prime is 5540411. The next prime is 5540441. The reversal of 5540422 is 2240455.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5540393 and 5540402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385104 + ... + 1385107.

It is an arithmetic number, because the mean of its divisors is an integer number (2077659).

Almost surely, 2^5540422 is an apocalyptic number.

5540422 is a deficient number, since it is larger than the sum of its proper divisors (2770214).

5540422 is a wasteful number, since it uses less digits than its factorization.

5540422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770213.

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

The square root of 5540422 is about 2353.8101027908. The cubic root of 5540422 is about 176.9487972592.

Adding to 5540422 its reverse (2240455), we get a palindrome (7780877).

The spelling of 5540422 in words is "five million, five hundred forty thousand, four hundred twenty-two".