1322221221024 has 96 divisors (see below), whose sum is σ = 3857801701824. Its totient is φ = 393113210880.

The previous prime is 1322221221023. The next prime is 1322221221047. The reversal of 1322221221024 is 4201221222231.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 1322221220985 and 1322221221003.

It is not an unprimeable number, because it can be changed into a prime (1322221221023) by changing a digit.

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, 11756329 + ... + 11868264.

It is an arithmetic number, because the mean of its divisors is an integer number (40185434394).

Almost surely, 2^{1322221221024} is an apocalyptic number.

It is an amenable number.

1322221221024 is an abundant number, since it is smaller than the sum of its proper divisors (2535580480800).

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

1322221221024 is a wasteful number, since it uses less digits than its factorization.

1322221221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624670 (or 23624662 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1322221221024 its reverse (4201221222231), we get a palindrome (5523442443255).

The spelling of 1322221221024 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-four".