2222222132 has 24 divisors (see below), whose sum is σ = 4235099400. Its totient is φ = 1014114816.

The previous prime is 2222222129. The next prime is 2222222137. The reversal of 2222222132 is 2312222222.

It can be written as a sum of positive squares in 4 ways, for example, as 9084196 + 2213137936 = 3014^2 + 47044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222137) 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, 235457 + ... + 244712.

It is an arithmetic number, because the mean of its divisors is an integer number (176462475).

Almost surely, 2^2222222132 is an apocalyptic number.

It is an amenable number.

2222222132 is a deficient number, since it is larger than the sum of its proper divisors (2012877268).

2222222132 is a wasteful number, since it uses less digits than its factorization.

2222222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480275 (or 480273 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2222222132 is about 47140.4511221520. The cubic root of 2222222132 is about 1304.9558627292.

Adding to 2222222132 its reverse (2312222222), we get a palindrome (4534444354).

The spelling of 2222222132 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-two".