2201023312 has 20 divisors (see below), whose sum is σ = 4402047616. Its totient is φ = 1065011040.

The previous prime is 2201023291. The next prime is 2201023313. The reversal of 2201023312 is 2133201022.

2201023312 is an admirable number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201023313) by changing a digit.

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, 2218278 + ... + 2219269.

Almost surely, 2^2201023312 is an apocalyptic number.

It is an amenable number.

2201023312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2201023312 is a wasteful number, since it uses less digits than its factorization.

2201023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437586 (or 4437580 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2201023312 is about 46915.0648725972. The cubic root of 2201023312 is about 1300.7930687505.

Adding to 2201023312 its reverse (2133201022), we get a palindrome (4334224334).

The spelling of 2201023312 in words is "two billion, two hundred one million, twenty-three thousand, three hundred twelve".