52213222 has 16 divisors (see below), whose sum is σ = 83354400. Its totient is φ = 24444288.

The previous prime is 52213199. The next prime is 52213237. The reversal of 52213222 is 22231225.

It is a self number, because there is not a number n which added to its sum of digits gives 52213222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (5209650).

Almost surely, 2^52213222 is an apocalyptic number.

52213222 is a deficient number, since it is larger than the sum of its proper divisors (31141178).

52213222 is a wasteful number, since it uses less digits than its factorization.

52213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935.

The product of its digits is 480, while the sum is 19.

The square root of 52213222 is about 7225.8717121189. The cubic root of 52213222 is about 373.7605824679.

Adding to 52213222 its reverse (22231225), we get a palindrome (74444447).

The spelling of 52213222 in words is "fifty-two million, two hundred thirteen thousand, two hundred twenty-two".