1000206522 has 64 divisors (see below), whose sum is σ = 2592096000. Its totient is φ = 285768000.

The previous prime is 1000206517. The next prime is 1000206541. The reversal of 1000206522 is 2256020001.

1000206522 is a `hidden beast` number, since 10 + 0 + 0 + 2 + 0 + 652 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1000206495 and 1000206504.

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 31 ways as a sum of consecutive naturals, for example, 8479 + ... + 45522.

It is an arithmetic number, because the mean of its divisors is an integer number (40501500).

Almost surely, 2^1000206522 is an apocalyptic number.

1000206522 is an abundant number, since it is smaller than the sum of its proper divisors (1591889478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000206522 is an equidigital number, since it uses as much as digits as its factorization.

1000206522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54033 (or 54013 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1000206522 is about 31626.0418326417. The cubic root of 1000206522 is about 1000.0688359282.

Adding to 1000206522 its reverse (2256020001), we get a palindrome (3256226523).

The spelling of 1000206522 in words is "one billion, two hundred six thousand, five hundred twenty-two".