522245289 has 4 divisors (see below), whose sum is σ = 696327056. Its totient is φ = 348163524.

The previous prime is 522245203. The next prime is 522245293. The reversal of 522245289 is 982542225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 522245289 - 2⁷ = 522245161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522245089) 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, 87040879 + ... + 87040884.

It is an arithmetic number, because the mean of its divisors is an integer number (174081764).

Almost surely, 2^522245289 is an apocalyptic number.

It is an amenable number.

522245289 is a deficient number, since it is larger than the sum of its proper divisors (174081767).

522245289 is a wasteful number, since it uses less digits than its factorization.

522245289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174081766.

The product of its digits is 115200, while the sum is 39.

The square root of 522245289 is about 22852.6866910655. The cubic root of 522245289 is about 805.3008861987.

The spelling of 522245289 in words is "five hundred twenty-two million, two hundred forty-five thousand, two hundred eighty-nine".