522666667 has 4 divisors (see below), whose sum is σ = 523202616. Its totient is φ = 522130720.

The previous prime is 522666653. The next prime is 522666673. The reversal of 522666667 is 766666225.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 522666667 - 2⁷ = 522666539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522660667) 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, 266509 + ... + 268462.

It is an arithmetic number, because the mean of its divisors is an integer number (130800654).

Almost surely, 2^522666667 is an apocalyptic number.

522666667 is a deficient number, since it is larger than the sum of its proper divisors (535949).

522666667 is an equidigital number, since it uses as much as digits as its factorization.

522666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535948.

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

The square root of 522666667 is about 22861.9042732665. The cubic root of 522666667 is about 805.5174159019.

The spelling of 522666667 in words is "five hundred twenty-two million, six hundred sixty-six thousand, six hundred sixty-seven".