1222203233020 has 48 divisors (see below), whose sum is σ = 3199950286848. Its totient is φ = 380946461760.

The previous prime is 1222203232997. The next prime is 1222203233087. The reversal of 1222203233020 is 203323022221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1222203232982 and 1222203233000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396817692 + ... + 396820771.

It is an arithmetic number, because the mean of its divisors is an integer number (66665630976).

Almost surely, 2^{1222203233020} is an apocalyptic number.

1222203233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222203233020 is an abundant number, since it is smaller than the sum of its proper divisors (1977747053828).

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

1222203233020 is a wasteful number, since it uses less digits than its factorization.

1222203233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793638490 (or 793638488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1222203233020 its reverse (203323022221), we get a palindrome (1425526255241).

The spelling of 1222203233020 in words is "one trillion, two hundred twenty-two billion, two hundred three million, two hundred thirty-three thousand, twenty".