2001065522 has 16 divisors (see below), whose sum is σ = 3163070400. Its totient is φ = 946825200.

The previous prime is 2001065519. The next prime is 2001065537. The reversal of 2001065522 is 2255601002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 63572.

It is an arithmetic number, because the mean of its divisors is an integer number (197691900).

Almost surely, 2^2001065522 is an apocalyptic number.

2001065522 is a deficient number, since it is larger than the sum of its proper divisors (1162004878).

2001065522 is a wasteful number, since it uses less digits than its factorization.

2001065522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58241.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2001065522 is about 44733.2708618540. The cubic root of 2001065522 is about 1260.1447557718.

Adding to 2001065522 its reverse (2255601002), we get a palindrome (4256666524).

The spelling of 2001065522 in words is "two billion, one million, sixty-five thousand, five hundred twenty-two".