1222302032220 has 48 divisors (see below), whose sum is σ = 3514944228768. Its totient is φ = 317137824000.

The previous prime is 1222302032207. The next prime is 1222302032239. The reversal of 1222302032220 is 222302032221.

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, 275291031 + ... + 275295470.

It is an arithmetic number, because the mean of its divisors is an integer number (73228004766).

Almost surely, 2^{1222302032220} is an apocalyptic number.

1222302032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222302032220 is an abundant number, since it is smaller than the sum of its proper divisors (2292642196548).

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

1222302032220 is a wasteful number, since it uses less digits than its factorization.

1222302032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550586550 (or 550586548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1222302032220 its reverse (222302032221), we get a palindrome (1444604064441).

Subtracting from 1222302032220 its reverse (222302032221), we obtain a palindrome (999999999999).

The spelling of 1222302032220 in words is "one trillion, two hundred twenty-two billion, three hundred two million, thirty-two thousand, two hundred twenty".