52252224 has 56 divisors (see below), whose sum is σ = 141488160. Its totient is φ = 17009664.

The previous prime is 52252199. The next prime is 52252247. The reversal of 52252224 is 42225225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52252194 and 52252203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5092 + ... + 11420.

Almost surely, 2^52252224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52252224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70744080).

52252224 is an abundant number, since it is smaller than the sum of its proper divisors (89235936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52252224 is a wasteful number, since it uses less digits than its factorization.

52252224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387 (or 6377 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 52252224 is about 7228.5699830603. The cubic root of 52252224 is about 373.8536226439.

Adding to 52252224 its reverse (42225225), we get a palindrome (94477449).

The spelling of 52252224 in words is "fifty-two million, two hundred fifty-two thousand, two hundred twenty-four".