222222002122 has 16 divisors (see below), whose sum is σ = 336342888000. Its totient is φ = 110112156000.

The previous prime is 222222002083. The next prime is 222222002159. The reversal of 222222002122 is 221200222222.

It is a super-2 number, since 2×222222002122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222222002122.

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, 1012347 + ... + 1212142.

It is an arithmetic number, because the mean of its divisors is an integer number (21021430500).

Almost surely, 2^222222002122 is an apocalyptic number.

222222002122 is a deficient number, since it is larger than the sum of its proper divisors (114120885878).

222222002122 is a wasteful number, since it uses less digits than its factorization.

222222002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224941.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222222002122 its reverse (221200222222), we get a palindrome (443422224344).

The spelling of 222222002122 in words is "two hundred twenty-two billion, two hundred twenty-two million, two thousand, one hundred twenty-two".