1422323144 has 16 divisors (see below), whose sum is σ = 2909297520. Its totient is φ = 646510480.

The previous prime is 1422323143. The next prime is 1422323171. The reversal of 1422323144 is 4413232241.

It is not an unprimeable number, because it can be changed into a prime (1422323143) 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, 8081294 + ... + 8081469.

It is an arithmetic number, because the mean of its divisors is an integer number (181831095).

Almost surely, 2^1422323144 is an apocalyptic number.

It is an amenable number.

1422323144 is an abundant number, since it is smaller than the sum of its proper divisors (1486974376).

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

1422323144 is a wasteful number, since it uses less digits than its factorization.

1422323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162780 (or 16162776 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1422323144 is about 37713.6996859232. The cubic root of 1422323144 is about 1124.6034866661.

Adding to 1422323144 its reverse (4413232241), we get a palindrome (5835555385).

The spelling of 1422323144 in words is "one billion, four hundred twenty-two million, three hundred twenty-three thousand, one hundred forty-four".