2220245530 has 16 divisors (see below), whose sum is σ = 4093916904. Its totient is φ = 866437120.

The previous prime is 2220245519. The next prime is 2220245537. The reversal of 2220245530 is 355420222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 789666201 + 1430579329 = 28101^2 + 37823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220245495 and 2220245504.

It is not an unprimeable number, because it can be changed into a prime (2220245537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707207 + ... + 2708026.

Almost surely, 2^2220245530 is an apocalyptic number.

2220245530 is a deficient number, since it is larger than the sum of its proper divisors (1873671374).

2220245530 is a wasteful number, since it uses less digits than its factorization.

2220245530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415281.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2220245530 is about 47119.4814275370. The cubic root of 2220245530 is about 1304.5688411875.

Adding to 2220245530 its reverse (355420222), we get a palindrome (2575665752).

The spelling of 2220245530 in words is "two billion, two hundred twenty million, two hundred forty-five thousand, five hundred thirty".