529522225 has 6 divisors (see below), whose sum is σ = 656607590. Its totient is φ = 423617760.

The previous prime is 529522193. The next prime is 529522237. The reversal of 529522225 is 522225925.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 99540529 + 429981696 = 9977^2 + 20736^2 .

It is not a de Polignac number, because 529522225 - 2⁵ = 529522193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10590420 + ... + 10590469.

Almost surely, 2^529522225 is an apocalyptic number.

It is an amenable number.

529522225 is a deficient number, since it is larger than the sum of its proper divisors (127085365).

529522225 is a wasteful number, since it uses less digits than its factorization.

529522225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180899 (or 21180894 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 529522225 is about 23011.3499169432. The cubic root of 529522225 is about 809.0239857249.

The spelling of 529522225 in words is "five hundred twenty-nine million, five hundred twenty-two thousand, two hundred twenty-five".