552022186 has 4 divisors (see below), whose sum is σ = 828033282. Its totient is φ = 276011092.

The previous prime is 552022169. The next prime is 552022187. The reversal of 552022186 is 681220255.

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

It can be written as a sum of positive squares in only one way, i.e., 542004961 + 10017225 = 23281^2 + 3165^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (552022187) 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 as a sum of consecutive naturals, namely, 138005545 + ... + 138005548.

Almost surely, 2^552022186 is an apocalyptic number.

552022186 is a deficient number, since it is larger than the sum of its proper divisors (276011096).

552022186 is a wasteful number, since it uses less digits than its factorization.

552022186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276011095.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 552022186 is about 23495.1523936322. The cubic root of 552022186 is about 820.3241758104.

The spelling of 552022186 in words is "five hundred fifty-two million, twenty-two thousand, one hundred eighty-six".