2201222122 has 16 divisors (see below), whose sum is σ = 3603157344. Its totient is φ = 1000234000.

The previous prime is 2201222113. The next prime is 2201222123. The reversal of 2201222122 is 2212221022.

It is a junction number, because it is equal to n+sod(n) for n = 2201222096 and 2201222105.

It is not an unprimeable number, because it can be changed into a prime (2201222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62472 + ... + 91132.

It is an arithmetic number, because the mean of its divisors is an integer number (225197334).

Almost surely, 2^2201222122 is an apocalyptic number.

2201222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2201222122 is a deficient number, since it is larger than the sum of its proper divisors (1401935222).

2201222122 is a wasteful number, since it uses less digits than its factorization.

2201222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32165.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2201222122 is about 46917.1836537531. The cubic root of 2201222122 is about 1300.8322327888.

Adding to 2201222122 its reverse (2212221022), we get a palindrome (4413443144).

The spelling of 2201222122 in words is "two billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-two".