3522201991 has 32 divisors (see below), whose sum is σ = 4612939776. Its totient is φ = 2607660000.

The previous prime is 3522201971. The next prime is 3522202031. The reversal of 3522201991 is 1991022253.

It is not a de Polignac number, because 3522201991 - 2⁵ = 3522201959 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522201961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260836 + ... + 274006.

It is an arithmetic number, because the mean of its divisors is an integer number (144154368).

Almost surely, 2^3522201991 is an apocalyptic number.

3522201991 is a deficient number, since it is larger than the sum of its proper divisors (1090737785).

3522201991 is a wasteful number, since it uses less digits than its factorization.

3522201991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 3522201991 is about 59348.1422708411. The cubic root of 3522201991 is about 1521.4981176956.

The spelling of 3522201991 in words is "three billion, five hundred twenty-two million, two hundred one thousand, nine hundred ninety-one".