4252722057238 has 32 divisors (see below), whose sum is σ = 6761353181184. Its totient is φ = 1999198789632.

The previous prime is 4252722057211. The next prime is 4252722057239. The reversal of 4252722057238 is 8327502272524.

It is a super-2 number, since 2×4252722057238² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4252722057191 and 4252722057200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252722057239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263693931 + ... + 263710057.

It is an arithmetic number, because the mean of its divisors is an integer number (211292286912).

Almost surely, 2^{4252722057238} is an apocalyptic number.

4252722057238 is a deficient number, since it is larger than the sum of its proper divisors (2508631123946).

4252722057238 is a wasteful number, since it uses less digits than its factorization.

4252722057238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23736.

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 4252722057238 in words is "four trillion, two hundred fifty-two billion, seven hundred twenty-two million, fifty-seven thousand, two hundred thirty-eight".