52243222 has 4 divisors (see below), whose sum is σ = 78364836. Its totient is φ = 26121610.

The previous prime is 52243211. The next prime is 52243229. The reversal of 52243222 is 22234225.

It is a happy number.

52243222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52243193 and 52243202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243229) by changing a digit.

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, 13060804 + ... + 13060807.

It is an arithmetic number, because the mean of its divisors is an integer number (19591209).

Almost surely, 2^52243222 is an apocalyptic number.

52243222 is a deficient number, since it is larger than the sum of its proper divisors (26121614).

52243222 is a wasteful number, since it uses less digits than its factorization.

52243222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121613.

The product of its digits is 1920, while the sum is 22.

The square root of 52243222 is about 7227.9472881310. The cubic root of 52243222 is about 373.8321522748.

Adding to 52243222 its reverse (22234225), we get a palindrome (74477447).

The spelling of 52243222 in words is "fifty-two million, two hundred forty-three thousand, two hundred twenty-two".