252222135 has 32 divisors (see below), whose sum is σ = 455431680. Its totient is φ = 118070400.

The previous prime is 252222079. The next prime is 252222151. The reversal of 252222135 is 531222252.

It is not a de Polignac number, because 252222135 - 2⁹ = 252221623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21571 + ... + 31140.

It is an arithmetic number, because the mean of its divisors is an integer number (14232240).

Almost surely, 2^252222135 is an apocalyptic number.

252222135 is a deficient number, since it is larger than the sum of its proper divisors (203209545).

252222135 is a wasteful number, since it uses less digits than its factorization.

252222135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52759.

The product of its digits is 2400, while the sum is 24.

The square root of 252222135 is about 15881.5029200640. The cubic root of 252222135 is about 631.8214984526.

Adding to 252222135 its reverse (531222252), we get a palindrome (783444387).

The spelling of 252222135 in words is "two hundred fifty-two million, two hundred twenty-two thousand, one hundred thirty-five".