3291221922 has 16 divisors (see below), whose sum is σ = 6583030272. Its totient is φ = 1096976240.

The previous prime is 3291221903. The next prime is 3291222013. The reversal of 3291221922 is 2291221923.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89128 + ... + 120524.

It is an arithmetic number, because the mean of its divisors is an integer number (411439392).

Almost surely, 2^3291221922 is an apocalyptic number.

3291221922 is an abundant number, since it is smaller than the sum of its proper divisors (3291808350).

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

3291221922 is a wasteful number, since it uses less digits than its factorization.

3291221922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48873.

The product of its digits is 7776, while the sum is 33.

The square root of 3291221922 is about 57369.1722269025. The cubic root of 3291221922 is about 1487.4842947474.

Subtracting from 3291221922 its reverse (2291221923), we obtain a palindrome (999999999).

The spelling of 3291221922 in words is "three billion, two hundred ninety-one million, two hundred twenty-one thousand, nine hundred twenty-two".