522525226 has 32 divisors (see below), whose sum is σ = 856541952. Its totient is φ = 238110720.

The previous prime is 522525203. The next prime is 522525229. The reversal of 522525226 is 622525225.

It is a super-2 number, since 2×522525226² = 546065223612702152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522525229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153321 + ... + 156691.

It is an arithmetic number, because the mean of its divisors is an integer number (26766936).

Almost surely, 2^522525226 is an apocalyptic number.

522525226 is a deficient number, since it is larger than the sum of its proper divisors (334016726).

522525226 is a wasteful number, since it uses less digits than its factorization.

522525226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its digits is 24000, while the sum is 31.

The square root of 522525226 is about 22858.8106864727. The cubic root of 522525226 is about 805.4447478741. Note that the first 3 decimals are identical.

Subtracting 522525226 from its reverse (622525225), we obtain a palindrome (99999999).

The spelling of 522525226 in words is "five hundred twenty-two million, five hundred twenty-five thousand, two hundred twenty-six".