2002222122 has 16 divisors (see below), whose sum is σ = 4014904320. Its totient is φ = 665664032.

The previous prime is 2002222121. The next prime is 2002222127. The reversal of 2002222122 is 2212222002.

It is not an unprimeable number, because it can be changed into a prime (2002222121) 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, 433347 + ... + 437942.

It is an arithmetic number, because the mean of its divisors is an integer number (250931520).

Almost surely, 2^2002222122 is an apocalyptic number.

2002222122 is an abundant number, since it is smaller than the sum of its proper divisors (2012682198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002222122 is a wasteful number, since it uses less digits than its factorization.

2002222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871677.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2002222122 is about 44746.1967322364. The cubic root of 2002222122 is about 1260.3874935689.

Adding to 2002222122 its reverse (2212222002), we get a palindrome (4214444124).

The spelling of 2002222122 in words is "two billion, two million, two hundred twenty-two thousand, one hundred twenty-two".