2122520222 has 16 divisors (see below), whose sum is σ = 3195139200. Its totient is φ = 1057480920.

The previous prime is 2122520173. The next prime is 2122520243. The reversal of 2122520222 is 2220252212.

It is a junction number, because it is equal to n+sod(n) for n = 2122520194 and 2122520203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343429 + ... + 1345007.

It is an arithmetic number, because the mean of its divisors is an integer number (199696200).

Almost surely, 2^2122520222 is an apocalyptic number.

2122520222 is a deficient number, since it is larger than the sum of its proper divisors (1072618978).

2122520222 is a wasteful number, since it uses less digits than its factorization.

2122520222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2122520222 is about 46070.8174661575. The cubic root of 2122520222 is about 1285.1405059662.

Adding to 2122520222 its reverse (2220252212), we get a palindrome (4342772434).

The spelling of 2122520222 in words is "two billion, one hundred twenty-two million, five hundred twenty thousand, two hundred twenty-two".