220224530 has 16 divisors (see below), whose sum is σ = 406073304. Its totient is φ = 85941120.

The previous prime is 220224523. The next prime is 220224539. The reversal of 220224530 is 35422022.

It can be written as a sum of positive squares in 4 ways, for example, as 159087769 + 61136761 = 12613^2 + 7819^2 .

It is a super-2 number, since 2×220224530² = 96997687227441800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220224539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268157 + ... + 268976.

Almost surely, 2^220224530 is an apocalyptic number.

220224530 is a deficient number, since it is larger than the sum of its proper divisors (185848774).

220224530 is a wasteful number, since it uses less digits than its factorization.

220224530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537181.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 220224530 is about 14839.9639487433. The cubic root of 220224530 is about 603.8863743249.

Adding to 220224530 its reverse (35422022), we get a palindrome (255646552).

The spelling of 220224530 in words is "two hundred twenty million, two hundred twenty-four thousand, five hundred thirty".