22000221221310 has 96 divisors (see below), whose sum is σ = 57668755921920. Its totient is φ = 5818756132800.

The previous prime is 22000221221299. The next prime is 22000221221357. The reversal of 22000221221310 is 1312212200022.

22000221221310 is a `hidden beast` number, since 220 + 0 + 0 + 221 + 2 + 213 + 10 = 666.

It is a super-2 number, since 2×22000221221310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21077931 + ... + 22097049.

It is an arithmetic number, because the mean of its divisors is an integer number (600716207520).

Almost surely, 2^{22000221221310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000221221310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28834377960960).

22000221221310 is an abundant number, since it is smaller than the sum of its proper divisors (35668534700610).

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

22000221221310 is a wasteful number, since it uses less digits than its factorization.

22000221221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021094 (or 1021091 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22000221221310 its reverse (1312212200022), we get a palindrome (23312433421332).

The spelling of 22000221221310 in words is "twenty-two trillion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred ten".