2231221030 has 32 divisors (see below), whose sum is σ = 4269910464. Its totient is φ = 837572736.

The previous prime is 2231221021. The next prime is 2231221037. The reversal of 2231221030 is 301221322.

It is a super-3 number, since 3×2231221030³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231220995 and 2231221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231221037) 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, 79329 + ... + 103708.

It is an arithmetic number, because the mean of its divisors is an integer number (133434702).

Almost surely, 2^2231221030 is an apocalyptic number.

2231221030 is a deficient number, since it is larger than the sum of its proper divisors (2038689434).

2231221030 is a wasteful number, since it uses less digits than its factorization.

2231221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183120.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2231221030 is about 47235.8024172343. The cubic root of 2231221030 is about 1306.7149651411.

Adding to 2231221030 its reverse (301221322), we get a palindrome (2532442352).

The spelling of 2231221030 in words is "two billion, two hundred thirty-one million, two hundred twenty-one thousand, thirty".