252102422 has 16 divisors (see below), whose sum is σ = 444264912. Its totient is φ = 105777120.

The previous prime is 252102419. The next prime is 252102437. The reversal of 252102422 is 224201252.

252102422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252102394 and 252102403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440453 + ... + 441024.

It is an arithmetic number, because the mean of its divisors is an integer number (27766557).

Almost surely, 2^252102422 is an apocalyptic number.

252102422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252102422 is a deficient number, since it is larger than the sum of its proper divisors (192162490).

252102422 is a wasteful number, since it uses less digits than its factorization.

252102422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881503.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 252102422 is about 15877.7335284353. The cubic root of 252102422 is about 631.7215214795.

Adding to 252102422 its reverse (224201252), we get a palindrome (476303674).

The spelling of 252102422 in words is "two hundred fifty-two million, one hundred two thousand, four hundred twenty-two".