252722336 has 24 divisors (see below), whose sum is σ = 500307444. Its totient is φ = 125660160.

The previous prime is 252722333. The next prime is 252722369. The reversal of 252722336 is 633227252.

It can be written as a sum of positive squares in 2 ways, for example, as 251032336 + 1690000 = 15844^2 + 1300^2 .

It is a super-2 number, since 2×252722336² = 127737158226593792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (252722333) by changing a digit.

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, 16025 + ... + 27608.

Almost surely, 2^252722336 is an apocalyptic number.

It is an amenable number.

252722336 is a deficient number, since it is larger than the sum of its proper divisors (247585108).

252722336 is a wasteful number, since it uses less digits than its factorization.

252722336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43824 (or 43816 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 252722336 is about 15897.2430314190. The cubic root of 252722336 is about 632.2388938247.

Adding to 252722336 its reverse (633227252), we get a palindrome (885949588).

The spelling of 252722336 in words is "two hundred fifty-two million, seven hundred twenty-two thousand, three hundred thirty-six".