1222244422220 has 24 divisors (see below), whose sum is σ = 2590261119600. Its totient is φ = 484412467392.

The previous prime is 1222244422207. The next prime is 1222244422253. The reversal of 1222244422220 is 222244422221.

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 7 ways as a sum of consecutive naturals, for example, 280329110 + ... + 280333469.

It is an arithmetic number, because the mean of its divisors is an integer number (107927546650).

Almost surely, 2^{1222244422220} is an apocalyptic number.

1222244422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222244422220 is an abundant number, since it is smaller than the sum of its proper divisors (1368016697380).

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

1222244422220 is a wasteful number, since it uses less digits than its factorization.

1222244422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560662697 (or 560662695 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 1222244422220 its reverse (222244422221), we get a palindrome (1444488844441).

Subtracting from 1222244422220 its reverse (222244422221), we obtain a palindrome (999999999999).

The spelling of 1222244422220 in words is "one trillion, two hundred twenty-two billion, two hundred forty-four million, four hundred twenty-two thousand, two hundred twenty".