1422543244 has 24 divisors (see below), whose sum is σ = 2502208800. Its totient is φ = 707637120.

The previous prime is 1422543233. The next prime is 1422543247. The reversal of 1422543244 is 4423452241.

It is not an unprimeable number, because it can be changed into a prime (1422543247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816214 + ... + 817954.

It is an arithmetic number, because the mean of its divisors is an integer number (104258700).

Almost surely, 2^1422543244 is an apocalyptic number.

It is an amenable number.

1422543244 is a deficient number, since it is larger than the sum of its proper divisors (1079665556).

1422543244 is a wasteful number, since it uses less digits than its factorization.

1422543244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2671 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 1422543244 is about 37716.6176108092. The cubic root of 1422543244 is about 1124.6614932829.

Adding to 1422543244 its reverse (4423452241), we get a palindrome (5845995485).

The spelling of 1422543244 in words is "one billion, four hundred twenty-two million, five hundred forty-three thousand, two hundred forty-four".