2201121232 has 20 divisors (see below), whose sum is σ = 4278573376. Its totient is φ = 1096973280.

The previous prime is 2201121173. The next prime is 2201121259. The reversal of 2201121232 is 2321211022.

It is a happy number.

It is a super-2 number, since 2×2201121232² = 9689869355922395648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 219144 + ... + 228967.

Almost surely, 2^2201121232 is an apocalyptic number.

It is an amenable number.

2201121232 is a deficient number, since it is larger than the sum of its proper divisors (2077452144).

2201121232 is a wasteful number, since it uses less digits than its factorization.

2201121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448426 (or 448420 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2201121232 is about 46916.1084490178. The cubic root of 2201121232 is about 1300.8123585308.

Adding to 2201121232 its reverse (2321211022), we get a palindrome (4522332254).

The spelling of 2201121232 in words is "two billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-two".