2213122112 has 28 divisors (see below), whose sum is σ = 4423737660. Its totient is φ = 1098479616.

The previous prime is 2213122103. The next prime is 2213122117. The reversal of 2213122112 is 2112213122.

It can be written as a sum of positive squares in 2 ways, for example, as 668946496 + 1544175616 = 25864^2 + 39296^2 .

It is not an unprimeable number, because it can be changed into a prime (2213122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117437 + ... + 134972.

Almost surely, 2^2213122112 is an apocalyptic number.

It is an amenable number.

2213122112 is a deficient number, since it is larger than the sum of its proper divisors (2210615548).

2213122112 is a wasteful number, since it uses less digits than its factorization.

2213122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252558 (or 252548 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2213122112 is about 47043.8318167217. The cubic root of 2213122112 is about 1303.1721570055.

Adding to 2213122112 its reverse (2112213122), we get a palindrome (4325335234).

The spelling of 2213122112 in words is "two billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twelve".