1322244016256 has 64 divisors (see below), whose sum is σ = 2749127256000. Its totient is φ = 632276198400.

The previous prime is 1322244016229. The next prime is 1322244016259. The reversal of 1322244016256 is 6526104422231.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1322244016259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20278106 + ... + 20343206.

It is an arithmetic number, because the mean of its divisors is an integer number (42955113375).

Almost surely, 2^{1322244016256} is an apocalyptic number.

1322244016256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1322244016256 is an abundant number, since it is smaller than the sum of its proper divisors (1426883239744).

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

1322244016256 is an equidigital number, since it uses as much as digits as its factorization.

1322244016256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72037 (or 72025 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 1322244016256 its reverse (6526104422231), we get a palindrome (7848348438487).

The spelling of 1322244016256 in words is "one trillion, three hundred twenty-two billion, two hundred forty-four million, sixteen thousand, two hundred fifty-six".