1320031223222 has 32 divisors (see below), whose sum is σ = 2155263052800. Its totient is φ = 604047650400.

The previous prime is 1320031223207. The next prime is 1320031223249. The reversal of 1320031223222 is 2223221300231.

It is a super-2 number, since 2×1320031223222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308597 + ... + 1653872.

It is an arithmetic number, because the mean of its divisors is an integer number (67351970400).

Almost surely, 2^{1320031223222} is an apocalyptic number.

1320031223222 is a deficient number, since it is larger than the sum of its proper divisors (835231829578).

1320031223222 is a wasteful number, since it uses less digits than its factorization.

1320031223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963092.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1320031223222 its reverse (2223221300231), we get a palindrome (3543252523453).

The spelling of 1320031223222 in words is "one trillion, three hundred twenty billion, thirty-one million, two hundred twenty-three thousand, two hundred twenty-two".