2221130530 has 16 divisors (see below), whose sum is σ = 4000824000. Its totient is φ = 887832432.

The previous prime is 2221130497. The next prime is 2221130531. The reversal of 2221130530 is 350311222.

It is a junction number, because it is equal to n+sod(n) for n = 2221130498 and 2221130507.

It is not an unprimeable number, because it can be changed into a prime (2221130531) 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, 62280 + ... + 91219.

It is an arithmetic number, because the mean of its divisors is an integer number (250051500).

Almost surely, 2^2221130530 is an apocalyptic number.

2221130530 is a deficient number, since it is larger than the sum of its proper divisors (1779693470).

2221130530 is a wasteful number, since it uses less digits than its factorization.

2221130530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154953.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2221130530 is about 47128.8715120572. The cubic root of 2221130530 is about 1304.7421538595.

Adding to 2221130530 its reverse (350311222), we get a palindrome (2571441752).

The spelling of 2221130530 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, five hundred thirty".