1322242443 has 24 divisors (see below), whose sum is σ = 2003620320. Its totient is φ = 839099520.

The previous prime is 1322242381. The next prime is 1322242447. The reversal of 1322242443 is 3442422231.

1322242443 is a `hidden beast` number, since 13 + 222 + 424 + 4 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1322242443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322242447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17146 + ... + 54207.

It is an arithmetic number, because the mean of its divisors is an integer number (83484180).

Almost surely, 2^1322242443 is an apocalyptic number.

1322242443 is a deficient number, since it is larger than the sum of its proper divisors (681377877).

1322242443 is a wasteful number, since it uses less digits than its factorization.

1322242443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71459 (or 71456 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 1322242443 is about 36362.6517597383. The cubic root of 1322242443 is about 1097.5821391643.

Adding to 1322242443 its reverse (3442422231), we get a palindrome (4764664674).

The spelling of 1322242443 in words is "one billion, three hundred twenty-two million, two hundred forty-two thousand, four hundred forty-three".