566222987 has 8 divisors (see below), whose sum is σ = 619315200. Its totient is φ = 513400360.

The previous prime is 566222983. The next prime is 566223001. The reversal of 566222987 is 789222665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566222987 - 2² = 566222983 is a prime.

It is a super-3 number, since 3×566222987³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566222983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62987 + ... + 71412.

It is an arithmetic number, because the mean of its divisors is an integer number (77414400).

Almost surely, 2^566222987 is an apocalyptic number.

566222987 is a deficient number, since it is larger than the sum of its proper divisors (53092213).

566222987 is a wasteful number, since it uses less digits than its factorization.

566222987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134793.

The product of its digits is 725760, while the sum is 47.

The square root of 566222987 is about 23795.4404666104. The cubic root of 566222987 is about 827.2989989560.

The spelling of 566222987 in words is "five hundred sixty-six million, two hundred twenty-two thousand, nine hundred eighty-seven".