2221001104 has 20 divisors (see below), whose sum is σ = 4917931264. Its totient is φ = 951857568.

The previous prime is 2221001099. The next prime is 2221001131. The reversal of 2221001104 is 4011001222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9915072 + ... + 9915295.

Almost surely, 2^2221001104 is an apocalyptic number.

It is an amenable number.

2221001104 is an abundant number, since it is smaller than the sum of its proper divisors (2696930160).

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

2221001104 is a wasteful number, since it uses less digits than its factorization.

2221001104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830382 (or 19830376 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2221001104 is about 47127.4983847010. The cubic root of 2221001104 is about 1304.7168107837.

Adding to 2221001104 its reverse (4011001222), we get a palindrome (6232002326).

The spelling of 2221001104 in words is "two billion, two hundred twenty-one million, one thousand, one hundred four".