1222200012022 has 32 divisors (see below), whose sum is σ = 2006105045760. Its totient is φ = 553840405920.

The previous prime is 1222200011987. The next prime is 1222200012107. The reversal of 1222200012022 is 2202100022221.

It is a junction number, because it is equal to n+sod(n) for n = 1222200011987 and 1222200012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30410913 + ... + 30451075.

It is an arithmetic number, because the mean of its divisors is an integer number (62690782680).

Almost surely, 2^{1222200012022} is an apocalyptic number.

1222200012022 is a deficient number, since it is larger than the sum of its proper divisors (783905033738).

1222200012022 is a wasteful number, since it uses less digits than its factorization.

1222200012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44388.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222200012022 its reverse (2202100022221), we get a palindrome (3424300034243).

The spelling of 1222200012022 in words is "one trillion, two hundred twenty-two billion, two hundred million, twelve thousand, twenty-two".