522266645 has 4 divisors (see below), whose sum is σ = 626719980. Its totient is φ = 417813312.

The previous prime is 522266621. The next prime is 522266659. The reversal of 522266645 is 546662225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 381108484 + 141158161 = 19522^2 + 11881^2 .

It is a cyclic number.

It is not a de Polignac number, because 522266645 - 2¹⁰ = 522265621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522266599 and 522266608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52226660 + ... + 52226669.

It is an arithmetic number, because the mean of its divisors is an integer number (156679995).

Almost surely, 2^522266645 is an apocalyptic number.

It is an amenable number.

522266645 is a deficient number, since it is larger than the sum of its proper divisors (104453335).

522266645 is a wasteful number, since it uses less digits than its factorization.

522266645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104453334.

The product of its digits is 172800, while the sum is 38.

The square root of 522266645 is about 22853.1539398832. The cubic root of 522266645 is about 805.3118630147.

The spelling of 522266645 in words is "five hundred twenty-two million, two hundred sixty-six thousand, six hundred forty-five".