2221311130 has 8 divisors (see below), whose sum is σ = 3998360052. Its totient is φ = 888524448.

The previous prime is 2221311073. The next prime is 2221311149. The reversal of 2221311130 is 311131222.

It can be written as a sum of positive squares in 2 ways, for example, as 2125486609 + 95824521 = 46103^2 + 9789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111065547 + ... + 111065566.

Almost surely, 2^2221311130 is an apocalyptic number.

2221311130 is a deficient number, since it is larger than the sum of its proper divisors (1777048922).

2221311130 is a wasteful number, since it uses less digits than its factorization.

2221311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222131120.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2221311130 is about 47130.7874960731. The cubic root of 2221311130 is about 1304.7775157385. Note that the first 3 decimals are identical.

Adding to 2221311130 its reverse (311131222), we get a palindrome (2532442352).

The spelling of 2221311130 in words is "two billion, two hundred twenty-one million, three hundred eleven thousand, one hundred thirty".