5540228 has 6 divisors (see below), whose sum is σ = 9695406. Its totient is φ = 2770112.

The previous prime is 5540221. The next prime is 5540237. The reversal of 5540228 is 8220455.

It can be written as a sum of positive squares in only one way, i.e., 5466244 + 73984 = 2338^2 + 272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5540197 and 5540206.

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 as a sum of consecutive naturals, namely, 692525 + ... + 692532.

It is an arithmetic number, because the mean of its divisors is an integer number (1615901).

Almost surely, 2^5540228 is an apocalyptic number.

It is an amenable number.

5540228 is a deficient number, since it is larger than the sum of its proper divisors (4155178).

5540228 is a wasteful number, since it uses less digits than its factorization.

5540228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385061 (or 1385059 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 5540228 is about 2353.7688926486. The cubic root of 5540228 is about 176.9467319251.

The spelling of 5540228 in words is "five million, five hundred forty thousand, two hundred twenty-eight".