52224285 has 16 divisors (see below), whose sum is σ = 85337856. Its totient is φ = 27259968.

The previous prime is 52224281. The next prime is 52224287. The reversal of 52224285 is 58242225.

52224285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52224285 - 2² = 52224281 is a prime.

It is a super-2 number, since 2×52224285² = 5454751887522450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224281) 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 15 ways as a sum of consecutive naturals, for example, 36334 + ... + 37743.

It is an arithmetic number, because the mean of its divisors is an integer number (5333616).

Almost surely, 2^52224285 is an apocalyptic number.

It is an amenable number.

52224285 is a deficient number, since it is larger than the sum of its proper divisors (33113571).

52224285 is a wasteful number, since it uses less digits than its factorization.

52224285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74132.

The product of its digits is 12800, while the sum is 30.

The square root of 52224285 is about 7226.6371847492. The cubic root of 52224285 is about 373.7869782170.

The spelling of 52224285 in words is "fifty-two million, two hundred twenty-four thousand, two hundred eighty-five".