618036228 has 36 divisors (see below), whose sum is σ = 1568984508. Its totient is φ = 205125120.

The previous prime is 618036227. The next prime is 618036253. The reversal of 618036228 is 822630816.

618036228 is a `hidden beast` number, since 618 + 0 + 36 + 2 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90782784 + 527253444 = 9528^2 + 22962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 618036192 and 618036201.

It is not an unprimeable number, because it can be changed into a prime (618036227) 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 11 ways as a sum of consecutive naturals, for example, 28453 + ... + 45228.

It is an arithmetic number, because the mean of its divisors is an integer number (43582903).

Almost surely, 2^618036228 is an apocalyptic number.

It is an amenable number.

618036228 is an abundant number, since it is smaller than the sum of its proper divisors (950948280).

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

618036228 is a wasteful number, since it uses less digits than its factorization.

618036228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73924 (or 73919 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 618036228 is about 24860.3344305743. The cubic root of 618036228 is about 851.8006708199.

The spelling of 618036228 in words is "six hundred eighteen million, thirty-six thousand, two hundred twenty-eight".