1322444523513 has 4 divisors (see below), whose sum is σ = 1763259364688. Its totient is φ = 881629682340.

The previous prime is 1322444523503. The next prime is 1322444523527. The reversal of 1322444523513 is 3153254442231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1322444523513 - 2¹⁴ = 1322444507129 is a prime.

It is a super-2 number, since 2×1322444523513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322444523503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220407420583 + ... + 220407420588.

It is an arithmetic number, because the mean of its divisors is an integer number (440814841172).

Almost surely, 2^{1322444523513} is an apocalyptic number.

It is an amenable number.

1322444523513 is a deficient number, since it is larger than the sum of its proper divisors (440814841175).

1322444523513 is an equidigital number, since it uses as much as digits as its factorization.

1322444523513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440814841174.

The product of its digits is 345600, while the sum is 39.

Adding to 1322444523513 its reverse (3153254442231), we get a palindrome (4475698965744).

The spelling of 1322444523513 in words is "one trillion, three hundred twenty-two billion, four hundred forty-four million, five hundred twenty-three thousand, five hundred thirteen".