52618222 has 8 divisors (see below), whose sum is σ = 81473472. Its totient is φ = 25460400.

The previous prime is 52618219. The next prime is 52618229. The reversal of 52618222 is 22281625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52618229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424279 + ... + 424402.

It is an arithmetic number, because the mean of its divisors is an integer number (10184184).

Almost surely, 2^52618222 is an apocalyptic number.

52618222 is a deficient number, since it is larger than the sum of its proper divisors (28855250).

52618222 is a wasteful number, since it uses less digits than its factorization.

52618222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848714.

The product of its digits is 3840, while the sum is 28.

The square root of 52618222 is about 7253.8418786185. The cubic root of 52618222 is about 374.7244719781.

Adding to 52618222 its reverse (22281625), we get a palindrome (74899847).

The spelling of 52618222 in words is "fifty-two million, six hundred eighteen thousand, two hundred twenty-two".