222530527 has 16 divisors (see below), whose sum is σ = 250840800. Its totient is φ = 196162560.

The previous prime is 222530509. The next prime is 222530531. The reversal of 222530527 is 725035222.

It is a cyclic number.

It is not a de Polignac number, because 222530527 - 2¹¹ = 222528479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222530495 and 222530504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222530587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24877 + ... + 32617.

It is an arithmetic number, because the mean of its divisors is an integer number (15677550).

Almost surely, 2^222530527 is an apocalyptic number.

222530527 is a deficient number, since it is larger than the sum of its proper divisors (28310273).

222530527 is a wasteful number, since it uses less digits than its factorization.

222530527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 222530527 is about 14917.4571224455. The cubic root of 222530527 is about 605.9868483169.

Adding to 222530527 its reverse (725035222), we get a palindrome (947565749).

The spelling of 222530527 in words is "two hundred twenty-two million, five hundred thirty thousand, five hundred twenty-seven".