5540222 has 8 divisors (see below), whose sum is σ = 8333400. Its totient is φ = 2762424.

The previous prime is 5540221. The next prime is 5540237. The reversal of 5540222 is 2220455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5540194 and 5540203.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897 + ... + 4412.

It is an arithmetic number, because the mean of its divisors is an integer number (1041675).

Almost surely, 2^5540222 is an apocalyptic number.

5540222 is a deficient number, since it is larger than the sum of its proper divisors (2793178).

5540222 is a wasteful number, since it uses less digits than its factorization.

5540222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5540222 is about 2353.7676180966. The cubic root of 5540222 is about 176.9466680480.

Adding to 5540222 its reverse (2220455), we get a palindrome (7760677).

The spelling of 5540222 in words is "five million, five hundred forty thousand, two hundred twenty-two".