1222022221320 has 32 divisors (see below), whose sum is σ = 3666066664320. Its totient is φ = 325872592320.

The previous prime is 1222022221297. The next prime is 1222022221351. The reversal of 1222022221320 is 231222202221.

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, 5091759136 + ... + 5091759375.

It is an arithmetic number, because the mean of its divisors is an integer number (114564583260).

Almost surely, 2^{1222022221320} is an apocalyptic number.

1222022221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222022221320 is an abundant number, since it is smaller than the sum of its proper divisors (2444044443000).

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

1222022221320 is a wasteful number, since it uses less digits than its factorization.

1222022221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183518525 (or 10183518521 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1222022221320 its reverse (231222202221), we get a palindrome (1453244423541).

The spelling of 1222022221320 in words is "one trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-one thousand, three hundred twenty".