222222200122 has 16 divisors (see below), whose sum is σ = 360957614472. Its totient is φ = 101997437760.

The previous prime is 222222200093. The next prime is 222222200143. The reversal of 222222200122 is 221002222222.

It can be written as a sum of positive squares in 4 ways, for example, as 19137678921 + 203084521201 = 138339^2 + 450649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222222200122.

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, 23605813 + ... + 23615224.

Almost surely, 2^222222200122 is an apocalyptic number.

222222200122 is a deficient number, since it is larger than the sum of its proper divisors (138735414350).

222222200122 is a wasteful number, since it uses less digits than its factorization.

222222200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47221233.

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

Adding to 222222200122 its reverse (221002222222), we get a palindrome (443224422344).

The spelling of 222222200122 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-two".