1320222224400 has 60 divisors (see below), whose sum is σ = 4229111862672. Its totient is φ = 352059259520.

The previous prime is 1320222224369. The next prime is 1320222224513. The reversal of 1320222224400 is 44222220231.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550091394 + ... + 550093793.

Almost surely, 2^{1320222224400} is an apocalyptic number.

1320222224400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320222224400 is an abundant number, since it is smaller than the sum of its proper divisors (2908889638272).

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

1320222224400 is a wasteful number, since it uses less digits than its factorization.

1320222224400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100185208 (or 1100185197 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1320222224400 its reverse (44222220231), we get a palindrome (1364444444631).

The spelling of 1320222224400 in words is "one trillion, three hundred twenty billion, two hundred twenty-two million, two hundred twenty-four thousand, four hundred".