2152444422 has 8 divisors (see below), whose sum is σ = 4304888856. Its totient is φ = 717481472.

The previous prime is 2152444417. The next prime is 2152444433. The reversal of 2152444422 is 2244442512.

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

2152444422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152444422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179370363 + ... + 179370374.

It is an arithmetic number, because the mean of its divisors is an integer number (538111107).

Almost surely, 2^2152444422 is an apocalyptic number.

2152444422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152444422 is a wasteful number, since it uses less digits than its factorization.

2152444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358740742.

The product of its digits is 20480, while the sum is 30.

The square root of 2152444422 is about 46394.4438699291. The cubic root of 2152444422 is about 1291.1518310370.

Adding to 2152444422 its reverse (2244442512), we get a palindrome (4396886934).

The spelling of 2152444422 in words is "two billion, one hundred fifty-two million, four hundred forty-four thousand, four hundred twenty-two".