572266666 has 4 divisors (see below), whose sum is σ = 858400002. Its totient is φ = 286133332.

The previous prime is 572266627. The next prime is 572266711. The reversal of 572266666 is 666662275.

It is a happy number.

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., 326561041 + 245705625 = 18071^2 + 15675^2 .

It is a super-3 number, since 3×572266666³ (a number of 27 digits) contains 333 as substring.

572266666 is a modest number, since divided by 66666 gives 5722 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143066665 + ... + 143066668.

Almost surely, 2^572266666 is an apocalyptic number.

572266666 is a deficient number, since it is larger than the sum of its proper divisors (286133336).

572266666 is a wasteful number, since it uses less digits than its factorization.

572266666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286133335.

The product of its digits is 1088640, while the sum is 46.

The square root of 572266666 is about 23922.0957693928. The cubic root of 572266666 is about 830.2320278384.

The spelling of 572266666 in words is "five hundred seventy-two million, two hundred sixty-six thousand, six hundred sixty-six".