52205224 has 16 divisors (see below), whose sum is σ = 100530900. Its totient is φ = 25396992.

The previous prime is 52205221. The next prime is 52205243. The reversal of 52205224 is 42250225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 624100 = 7182^2 + 790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52205195 and 52205204.

It is not an unprimeable number, because it can be changed into a prime (52205221) 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, 87889 + ... + 88480.

Almost surely, 2^52205224 is an apocalyptic number.

It is an amenable number.

52205224 is a deficient number, since it is larger than the sum of its proper divisors (48325676).

52205224 is a wasteful number, since it uses less digits than its factorization.

52205224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176412 (or 176408 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52205224 is about 7225.3182628864. The cubic root of 52205224 is about 373.7414973290.

Adding to 52205224 its reverse (42250225), we get a palindrome (94455449).

The spelling of 52205224 in words is "fifty-two million, two hundred five thousand, two hundred twenty-four".