4229256538 has 8 divisors (see below), whose sum is σ = 6831875988. Its totient is φ = 1951964544.

The previous prime is 4229256497. The next prime is 4229256539. The reversal of 4229256538 is 8356529224.

It can be written as a sum of positive squares in 2 ways, for example, as 4203317889 + 25938649 = 64833^2 + 5093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4229256538² = 35773221728431490888, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (4229256539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81331831 + ... + 81331882.

Almost surely, 2^4229256538 is an apocalyptic number.

4229256538 is a deficient number, since it is larger than the sum of its proper divisors (2602619450).

4229256538 is a wasteful number, since it uses less digits than its factorization.

4229256538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162663728.

The product of its digits is 1036800, while the sum is 46.

The square root of 4229256538 is about 65032.7343573988. The cubic root of 4229256538 is about 1617.1662773755.

The spelling of 4229256538 in words is "four billion, two hundred twenty-nine million, two hundred fifty-six thousand, five hundred thirty-eight".