2231221310 has 16 divisors (see below), whose sum is σ = 4019046336. Its totient is φ = 891855648.

The previous prime is 2231221303. The next prime is 2231221327. The reversal of 2231221310 is 131221322.

It is a super-3 number, since 3×2231221310³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64169 + ... + 92628.

It is an arithmetic number, because the mean of its divisors is an integer number (251190396).

Almost surely, 2^2231221310 is an apocalyptic number.

2231221310 is a deficient number, since it is larger than the sum of its proper divisors (1787825026).

2231221310 is a wasteful number, since it uses less digits than its factorization.

2231221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158227.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2231221310 is about 47235.8053810878. The cubic root of 2231221310 is about 1306.7150198018.

Adding to 2231221310 its reverse (131221322), we get a palindrome (2362442632).

The spelling of 2231221310 in words is "two billion, two hundred thirty-one million, two hundred twenty-one thousand, three hundred ten".