22221303210 has 32 divisors (see below), whose sum is σ = 59256809280. Its totient is φ = 5925680784.

The previous prime is 22221303193. The next prime is 22221303229. The reversal of 22221303210 is 1230312222.

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

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 41150292 + ... + 41150831.

It is an arithmetic number, because the mean of its divisors is an integer number (1851775290).

Almost surely, 2^22221303210 is an apocalyptic number.

22221303210 is an abundant number, since it is smaller than the sum of its proper divisors (37035506070).

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

22221303210 is a wasteful number, since it uses less digits than its factorization.

22221303210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82301139 (or 82301133 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22221303210 its reverse (1230312222), we get a palindrome (23451615432).

The spelling of 22221303210 in words is "twenty-two billion, two hundred twenty-one million, three hundred three thousand, two hundred ten".