2221300430530 has 32 divisors (see below), whose sum is σ = 4142115422640. Its totient is φ = 856657670400.

The previous prime is 2221300430477. The next prime is 2221300430539. The reversal of 2221300430530 is 350340031222.

It can be written as a sum of positive squares in 8 ways, for example, as 1675706949081 + 545593481449 = 1294491^2 + 738643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221300430495 and 2221300430504.

It is not an unprimeable number, because it can be changed into a prime (2221300430539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5260089 + ... + 5666668.

Almost surely, 2^{2221300430530} is an apocalyptic number.

2221300430530 is a deficient number, since it is larger than the sum of its proper divisors (1920814992110).

2221300430530 is a wasteful number, since it uses less digits than its factorization.

2221300430530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927494.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 2221300430530 its reverse (350340031222), we get a palindrome (2571640461752).

The spelling of 2221300430530 in words is "two trillion, two hundred twenty-one billion, three hundred million, four hundred thirty thousand, five hundred thirty".