2101222232 has 16 divisors (see below), whose sum is σ = 4023617760. Its totient is φ = 1028257504.

The previous prime is 2101222199. The next prime is 2101222261. The reversal of 2101222232 is 2322221012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101222232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793803 + ... + 2794554.

It is an arithmetic number, because the mean of its divisors is an integer number (251476110).

Almost surely, 2^2101222232 is an apocalyptic number.

It is an amenable number.

2101222232 is a deficient number, since it is larger than the sum of its proper divisors (1922395528).

2101222232 is a wasteful number, since it uses less digits than its factorization.

2101222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588410 (or 5588406 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101222232 is about 45839.0906541567. The cubic root of 2101222232 is about 1280.8275556672.

Adding to 2101222232 its reverse (2322221012), we get a palindrome (4423443244).

The spelling of 2101222232 in words is "two billion, one hundred one million, two hundred twenty-two thousand, two hundred thirty-two".