2202222222012 has 12 divisors (see below), whose sum is σ = 5138518518056. Its totient is φ = 734074074000.

The previous prime is 2202222222001. The next prime is 2202222222023. The reversal of 2202222222012 is 2102222222022.

It is an interprime number because it is at equal distance from previous prime (2202222222001) and next prime (2202222222023).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2202222222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91759259239 + ... + 91759259262.

Almost surely, 2^{2202222222012} is an apocalyptic number.

It is an amenable number.

2202222222012 is an abundant number, since it is smaller than the sum of its proper divisors (2936296296044).

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

2202222222012 is a wasteful number, since it uses less digits than its factorization.

2202222222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183518518508 (or 183518518506 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2202222222012 its reverse (2102222222022), we get a palindrome (4304444444034).

The spelling of 2202222222012 in words is "two trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, twelve".