555612228 has 18 divisors (see below), whose sum is σ = 1404464334. Its totient is φ = 185204064.

The previous prime is 555612223. The next prime is 555612251. The reversal of 555612228 is 822216555.

It is a happy number.

555612228 is a `hidden beast` number, since 55 + 561 + 22 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 555450624 + 161604 = 23568^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15433673 = 555612228 / (5 + 5 + 5 + 6 + 1 + 2 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 555612192 and 555612201.

It is not an unprimeable number, because it can be changed into a prime (555612223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7716801 + ... + 7716872.

Almost surely, 2^555612228 is an apocalyptic number.

It is an amenable number.

555612228 is an abundant number, since it is smaller than the sum of its proper divisors (848852106).

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

555612228 is a wasteful number, since it uses less digits than its factorization.

555612228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15433683 (or 15433678 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 555612228 is about 23571.4282129870. The cubic root of 555612228 is about 822.0986437464.

The spelling of 555612228 in words is "five hundred fifty-five million, six hundred twelve thousand, two hundred twenty-eight".