56222185 has 4 divisors (see below), whose sum is σ = 67466628. Its totient is φ = 44977744.

The previous prime is 56222183. The next prime is 56222219. The reversal of 56222185 is 58122265.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39803481 + 16418704 = 6309^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 56222185 - 2¹ = 56222183 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56222183) 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, 5622214 + ... + 5622223.

It is an arithmetic number, because the mean of its divisors is an integer number (16866657).

Almost surely, 2^56222185 is an apocalyptic number.

It is an amenable number.

56222185 is a deficient number, since it is larger than the sum of its proper divisors (11244443).

56222185 is a wasteful number, since it uses less digits than its factorization.

56222185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244442.

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

The square root of 56222185 is about 7498.1454373732. The cubic root of 56222185 is about 383.0915505341.

The spelling of 56222185 in words is "fifty-six million, two hundred twenty-two thousand, one hundred eighty-five".