1222200202222 has 16 divisors (see below), whose sum is σ = 1868626966320. Its totient is φ = 599333634432.

The previous prime is 1222200202217. The next prime is 1222200202259. The reversal of 1222200202222 is 2222020022221.

It is a super-2 number, since 2×1222200202222² (a number of 25 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 1222200202222.

It is a congruent number.

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, 2001483 + ... + 2539750.

It is an arithmetic number, because the mean of its divisors is an integer number (116789185395).

Almost surely, 2^{1222200202222} is an apocalyptic number.

1222200202222 is a deficient number, since it is larger than the sum of its proper divisors (646426764098).

1222200202222 is a wasteful number, since it uses less digits than its factorization.

1222200202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543827.

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

Adding to 1222200202222 its reverse (2222020022221), we get a palindrome (3444220224443).

The spelling of 1222200202222 in words is "one trillion, two hundred twenty-two billion, two hundred million, two hundred two thousand, two hundred twenty-two".