252111422 has 8 divisors (see below), whose sum is σ = 378456096. Its totient is φ = 125959392.

The previous prime is 252111401. The next prime is 252111449. The reversal of 252111422 is 224111252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252111394 and 252111403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44843 + ... + 50150.

It is an arithmetic number, because the mean of its divisors is an integer number (47307012).

Almost surely, 2^252111422 is an apocalyptic number.

252111422 is a deficient number, since it is larger than the sum of its proper divisors (126344674).

252111422 is a wasteful number, since it uses less digits than its factorization.

252111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96322.

The product of its digits is 320, while the sum is 20.

The square root of 252111422 is about 15878.0169416713. The cubic root of 252111422 is about 631.7290388290.

Adding to 252111422 its reverse (224111252), we get a palindrome (476222674).

The spelling of 252111422 in words is "two hundred fifty-two million, one hundred eleven thousand, four hundred twenty-two".