522303226 has 4 divisors (see below), whose sum is σ = 783454842. Its totient is φ = 261151612.

The previous prime is 522303209. The next prime is 522303233. The reversal of 522303226 is 622303225.

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., 495107001 + 27196225 = 22251^2 + 5215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 522303226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130575805 + ... + 130575808.

Almost surely, 2^522303226 is an apocalyptic number.

522303226 is a deficient number, since it is larger than the sum of its proper divisors (261151616).

522303226 is a wasteful number, since it uses less digits than its factorization.

522303226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261151615.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 522303226 is about 22853.9542749171. The cubic root of 522303226 is about 805.3306646656.

Subtracting 522303226 from its reverse (622303225), we obtain a palindrome (99999999).

The spelling of 522303226 in words is "five hundred twenty-two million, three hundred three thousand, two hundred twenty-six".