52224661 has 8 divisors (see below), whose sum is σ = 54578304. Its totient is φ = 49922880.

The previous prime is 52224659. The next prime is 52224707. The reversal of 52224661 is 16642225.

52224661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52224661 - 2¹ = 52224659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224061) 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 in 7 ways as a sum of consecutive naturals, for example, 10900 + ... + 14941.

It is an arithmetic number, because the mean of its divisors is an integer number (6822288).

Almost surely, 2^52224661 is an apocalyptic number.

It is an amenable number.

52224661 is a deficient number, since it is larger than the sum of its proper divisors (2353643).

52224661 is a wasteful number, since it uses less digits than its factorization.

52224661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25931.

The product of its digits is 5760, while the sum is 28.

The square root of 52224661 is about 7226.6631995687. The cubic root of 52224661 is about 373.7878752681.

Adding to 52224661 its reverse (16642225), we get a palindrome (68866886).

The spelling of 52224661 in words is "fifty-two million, two hundred twenty-four thousand, six hundred sixty-one".