5256443422 has 4 divisors (see below), whose sum is σ = 7884665136. Its totient is φ = 2628221710.

The previous prime is 5256443411. The next prime is 5256443441. The reversal of 5256443422 is 2243446525.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1314110854 + ... + 1314110857.

It is an arithmetic number, because the mean of its divisors is an integer number (1971166284).

Almost surely, 2^5256443422 is an apocalyptic number.

5256443422 is a deficient number, since it is larger than the sum of its proper divisors (2628221714).

5256443422 is a wasteful number, since it uses less digits than its factorization.

5256443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628221713.

The product of its digits is 230400, while the sum is 37.

The square root of 5256443422 is about 72501.3339325560. Note that the first 3 decimals coincide. The cubic root of 5256443422 is about 1738.7240637080.

Adding to 5256443422 its reverse (2243446525), we get a palindrome (7499889947).

The spelling of 5256443422 in words is "five billion, two hundred fifty-six million, four hundred forty-three thousand, four hundred twenty-two".