222530530 has 8 divisors (see below), whose sum is σ = 400554972. Its totient is φ = 89012208.

The previous prime is 222530509. The next prime is 222530531. The reversal of 222530530 is 35035222.

222530530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193682889 + 28847641 = 13917^2 + 5371^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222530531) 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, 11126517 + ... + 11126536.

Almost surely, 2^222530530 is an apocalyptic number.

222530530 is a deficient number, since it is larger than the sum of its proper divisors (178024442).

222530530 is a wasteful number, since it uses less digits than its factorization.

222530530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22253060.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 222530530 is about 14917.4572229988. The cubic root of 222530530 is about 605.9868510401.

Adding to 222530530 its reverse (35035222), we get a palindrome (257565752).

The spelling of 222530530 in words is "two hundred twenty-two million, five hundred thirty thousand, five hundred thirty".