2201212044 has 24 divisors (see below), whose sum is σ = 5706846320. Its totient is φ = 733737312.

The previous prime is 2201212043. The next prime is 2201212049. The reversal of 2201212044 is 4402121022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2201212043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10190689 + ... + 10190904.

Almost surely, 2^2201212044 is an apocalyptic number.

It is an amenable number.

2201212044 is an abundant number, since it is smaller than the sum of its proper divisors (3505634276).

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

2201212044 is a wasteful number, since it uses less digits than its factorization.

2201212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20381606 (or 20381598 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2201212044 is about 46917.0762516165. The cubic root of 2201212044 is about 1300.8302475572.

Adding to 2201212044 its reverse (4402121022), we get a palindrome (6603333066).

The spelling of 2201212044 in words is "two billion, two hundred one million, two hundred twelve thousand, forty-four".