522000207 has 12 divisors (see below), whose sum is σ = 781926600. Its totient is φ = 347999976.

The previous prime is 522000187. The next prime is 522000229. The reversal of 522000207 is 702000225.

It is a happy number.

It is not a de Polignac number, because 522000207 - 2¹¹ = 521998159 is a prime.

It is a super-2 number, since 2×522000207² = 544968432216085698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522002207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1073832 + ... + 1074317.

It is an arithmetic number, because the mean of its divisors is an integer number (65160550).

Almost surely, 2^522000207 is an apocalyptic number.

522000207 is a deficient number, since it is larger than the sum of its proper divisors (259926393).

522000207 is an equidigital number, since it uses as much as digits as its factorization.

522000207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148164 (or 2148152 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 522000207 is about 22847.3238476632. The cubic root of 522000207 is about 805.1748945511.

Adding to 522000207 its sum of digits (18), we get a palindrome (522000225).

The spelling of 522000207 in words is "five hundred twenty-two million, two hundred seven", and thus it is an aban number.