1222442012220 has 192 divisors, whose sum is σ = 4257779613696. Its totient is φ = 257462046720.

The previous prime is 1222442012219. The next prime is 1222442012251. The reversal of 1222442012220 is 222102442221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4044604 + ... + 4336323.

It is an arithmetic number, because the mean of its divisors is an integer number (22175935488).

Almost surely, 2^{1222442012220} is an apocalyptic number.

1222442012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222442012220 is an abundant number, since it is smaller than the sum of its proper divisors (3035337601476).

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

1222442012220 is a wasteful number, since it uses less digits than its factorization.

1222442012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380980 (or 8380978 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1222442012220 its reverse (222102442221), we get a palindrome (1444544454441).

The spelling of 1222442012220 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, twelve thousand, two hundred twenty".