22200222202012 has 6 divisors (see below), whose sum is σ = 38850388853528. Its totient is φ = 11100111101004.

The previous prime is 22200222202009. The next prime is 22200222202019. The reversal of 22200222202012 is 21020222200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200222202019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775027775248 + ... + 2775027775255.

Almost surely, 2^{22200222202012} is an apocalyptic number.

It is an amenable number.

22200222202012 is a deficient number, since it is larger than the sum of its proper divisors (16650166651516).

22200222202012 is a wasteful number, since it uses less digits than its factorization.

22200222202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550055550507 (or 5550055550505 counting only the distinct ones).

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

Adding to 22200222202012 its reverse (21020222200222), we get a palindrome (43220444402234).

The spelling of 22200222202012 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, two hundred two thousand, twelve".