566222665 has 16 divisors (see below), whose sum is σ = 688015296. Its totient is φ = 447304000.

The previous prime is 566222663. The next prime is 566222693.

566222665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 566222665 - 2¹ = 566222663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566222663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222450 + ... + 224980.

It is an arithmetic number, because the mean of its divisors is an integer number (43000956).

Almost surely, 2^566222665 is an apocalyptic number.

It is an amenable number.

566222665 is a deficient number, since it is larger than the sum of its proper divisors (121792631).

566222665 is a wasteful number, since it uses less digits than its factorization.

566222665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its digits is 259200, while the sum is 40.

The square root of 566222665 is about 23795.4337006073. The cubic root of 566222665 is about 827.2988421330.

The spelling of 566222665 in words is "five hundred sixty-six million, two hundred twenty-two thousand, six hundred sixty-five".