522266009 has 8 divisors (see below), whose sum is σ = 527142600. Its totient is φ = 517408000.

The previous prime is 522265967. The next prime is 522266047. The reversal of 522266009 is 900662225.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60016009 + 462250000 = 7747^2 + 21500^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 522266009 - 2¹⁶ = 522200473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522266609) 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, 55379 + ... + 64119.

It is an arithmetic number, because the mean of its divisors is an integer number (65892825).

Almost surely, 2^522266009 is an apocalyptic number.

It is an amenable number.

522266009 is a deficient number, since it is larger than the sum of its proper divisors (4876591).

522266009 is a wasteful number, since it uses less digits than its factorization.

522266009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 522266009 is about 22853.1400249506. The cubic root of 522266009 is about 805.3115361200.

The spelling of 522266009 in words is "five hundred twenty-two million, two hundred sixty-six thousand, nine".