2221221332310 has 16 divisors (see below), whose sum is σ = 5330931197616. Its totient is φ = 592325688608.

The previous prime is 2221221332257. The next prime is 2221221332311. The reversal of 2221221332310 is 132331221222.

It is a super-2 number, since 2×2221221332310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221221332311) by changing a digit.

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, 37020355509 + ... + 37020355568.

It is an arithmetic number, because the mean of its divisors is an integer number (333183199851).

Almost surely, 2^{2221221332310} is an apocalyptic number.

2221221332310 is an abundant number, since it is smaller than the sum of its proper divisors (3109709865306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221221332310 is a wasteful number, since it uses less digits than its factorization.

2221221332310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040711087.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2221221332310 its reverse (132331221222), we get a palindrome (2353552553532).

The spelling of 2221221332310 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred ten".