22231221110 has 96 divisors (see below), whose sum is σ = 47142106272. Its totient is φ = 7525647360.

The previous prime is 22231221109. The next prime is 22231221137. The reversal of 22231221110 is 1112213222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18326864 + ... + 18328076.

It is an arithmetic number, because the mean of its divisors is an integer number (491063607).

Almost surely, 2^22231221110 is an apocalyptic number.

22231221110 is an abundant number, since it is smaller than the sum of its proper divisors (24910885162).

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

22231221110 is a wasteful number, since it uses less digits than its factorization.

22231221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22231221110 its reverse (1112213222), we get a palindrome (23343434332).

The spelling of 22231221110 in words is "twenty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred ten".