1322444023 has 4 divisors (see below), whose sum is σ = 1392046360. Its totient is φ = 1252841688.

The previous prime is 1322444003. The next prime is 1322444027. The reversal of 1322444023 is 3204442231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204442231 = 8179 ⋅391789.

It is a cyclic number.

It is not a de Polignac number, because 1322444023 - 2⁹ = 1322443511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322444027) 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 3 ways as a sum of consecutive naturals, for example, 34801140 + ... + 34801177.

It is an arithmetic number, because the mean of its divisors is an integer number (348011590).

Almost surely, 2^1322444023 is an apocalyptic number.

1322444023 is a deficient number, since it is larger than the sum of its proper divisors (69602337).

1322444023 is an equidigital number, since it uses as much as digits as its factorization.

1322444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69602336.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1322444023 is about 36365.4234541549. The cubic root of 1322444023 is about 1097.6379129413.

Adding to 1322444023 its reverse (3204442231), we get a palindrome (4526886254).

The spelling of 1322444023 in words is "one billion, three hundred twenty-two million, four hundred forty-four thousand, twenty-three".