2223222122 has 16 divisors (see below), whose sum is σ = 3666650112. Its totient is φ = 1002597120.

The previous prime is 2223222109. The next prime is 2223222137. The reversal of 2223222122 is 2212223222.

It is a junction number, because it is equal to n+sod(n) for n = 2223222094 and 2223222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395063 + ... + 400650.

It is an arithmetic number, because the mean of its divisors is an integer number (229165632).

Almost surely, 2^2223222122 is an apocalyptic number.

2223222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2223222122 is a deficient number, since it is larger than the sum of its proper divisors (1443427990).

2223222122 is a wasteful number, since it uses less digits than its factorization.

2223222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795853.

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

The square root of 2223222122 is about 47151.0564250686. The cubic root of 2223222122 is about 1305.1515748056.

Adding to 2223222122 its reverse (2212223222), we get a palindrome (4435445344).

The spelling of 2223222122 in words is "two billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-two".