252122824 has 8 divisors (see below), whose sum is σ = 472730310. Its totient is φ = 126061408.

The previous prime is 252122797. The next prime is 252122831. The reversal of 252122824 is 428221252.

It can be written as a sum of positive squares in only one way, i.e., 180042724 + 72080100 = 13418^2 + 8490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 252122792 and 252122801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15757669 + ... + 15757684.

Almost surely, 2^252122824 is an apocalyptic number.

It is an amenable number.

252122824 is a deficient number, since it is larger than the sum of its proper divisors (220607486).

252122824 is a wasteful number, since it uses less digits than its factorization.

252122824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31515359 (or 31515355 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 252122824 is about 15878.3759874869. The cubic root of 252122824 is about 631.7385622186.

It can be divided in two parts, 2521228 and 24, that added together give a palindrome (2521252).

The spelling of 252122824 in words is "two hundred fifty-two million, one hundred twenty-two thousand, eight hundred twenty-four".