2001522532 has 24 divisors (see below), whose sum is σ = 3526664960. Its totient is φ = 993928320.

The previous prime is 2001522521. The next prime is 2001522553. The reversal of 2001522532 is 2352251002.

It is a super-2 number, since 2×2001522532² = 8012184892207382048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362569 + ... + 368047.

Almost surely, 2^2001522532 is an apocalyptic number.

It is an amenable number.

2001522532 is a deficient number, since it is larger than the sum of its proper divisors (1525142428).

2001522532 is a wasteful number, since it uses less digits than its factorization.

2001522532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091 (or 6089 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2001522532 is about 44738.3787368295. The cubic root of 2001522532 is about 1260.2406804866.

Adding to 2001522532 its reverse (2352251002), we get a palindrome (4353773534).

The spelling of 2001522532 in words is "two billion, one million, five hundred twenty-two thousand, five hundred thirty-two".