522228068 has 6 divisors (see below), whose sum is σ = 913899126. Its totient is φ = 261114032.

The previous prime is 522228061. The next prime is 522228071. The reversal of 522228068 is 860822225.

It can be written as a sum of positive squares in only one way, i.e., 441084004 + 81144064 = 21002^2 + 9008^2 .

It is not an unprimeable number, because it can be changed into a prime (522228061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65278505 + ... + 65278512.

It is an arithmetic number, because the mean of its divisors is an integer number (152316521).

Almost surely, 2^522228068 is an apocalyptic number.

It is an amenable number.

522228068 is a deficient number, since it is larger than the sum of its proper divisors (391671058).

522228068 is a wasteful number, since it uses less digits than its factorization.

522228068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130557021 (or 130557019 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 522228068 is about 22852.3099051278. The cubic root of 522228068 is about 805.2920345222.

The spelling of 522228068 in words is "five hundred twenty-two million, two hundred twenty-eight thousand, sixty-eight".