1322712444 has 12 divisors (see below), whose sum is σ = 3086329064. Its totient is φ = 440904144.

The previous prime is 1322712431. The next prime is 1322712449. The reversal of 1322712444 is 4442172231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×1322712444⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322712449) 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, 55113007 + ... + 55113030.

Almost surely, 2^1322712444 is an apocalyptic number.

It is an amenable number.

1322712444 is an abundant number, since it is smaller than the sum of its proper divisors (1763616620).

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

1322712444 is a wasteful number, since it uses less digits than its factorization.

1322712444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110226044 (or 110226042 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 1322712444 is about 36369.1138742752. The cubic root of 1322712444 is about 1097.7121716948.

Adding to 1322712444 its reverse (4442172231), we get a palindrome (5764884675).

The spelling of 1322712444 in words is "one billion, three hundred twenty-two million, seven hundred twelve thousand, four hundred forty-four".