522440066 has 8 divisors (see below), whose sum is σ = 784617084. Its totient is φ = 260901040.

The previous prime is 522440063. The next prime is 522440119. The reversal of 522440066 is 660044225.

It can be written as a sum of positive squares in 2 ways, for example, as 484924441 + 37515625 = 22021^2 + 6125^2 .

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

It is not an unprimeable number, because it can be changed into a prime (522440063) 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, 157445 + ... + 160728.

Almost surely, 2^522440066 is an apocalyptic number.

522440066 is a deficient number, since it is larger than the sum of its proper divisors (262177018).

522440066 is a wasteful number, since it uses less digits than its factorization.

522440066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318996.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 522440066 is about 22856.9478714898. The cubic root of 522440066 is about 805.4009889652.

The spelling of 522440066 in words is "five hundred twenty-two million, four hundred forty thousand, sixty-six".