22220221221210 has 32 divisors (see below), whose sum is σ = 53329545562752. Its totient is φ = 5925279588800.

The previous prime is 22220221221181. The next prime is 22220221221229. The reversal of 22220221221210 is 1212212202222.

It is a super-3 number, since 3×22220221221210³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 5436966 + ... + 8602385.

It is an arithmetic number, because the mean of its divisors is an integer number (1666548298836).

Almost surely, 2^{22220221221210} is an apocalyptic number.

22220221221210 is an abundant number, since it is smaller than the sum of its proper divisors (31109324341542).

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

22220221221210 is a wasteful number, since it uses less digits than its factorization.

22220221221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14092118.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22220221221210 its reverse (1212212202222), we get a palindrome (23432433423432).

The spelling of 22220221221210 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred ten".