22002221010 has 128 divisors (see below), whose sum is σ = 65878272000. Its totient is φ = 4568901120.

The previous prime is 22002221009. The next prime is 22002221029. The reversal of 22002221010 is 1012220022.

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 63 ways as a sum of consecutive naturals, for example, 6232926 + ... + 6236454.

It is an arithmetic number, because the mean of its divisors is an integer number (514674000).

Almost surely, 2^22002221010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32939136000).

22002221010 is an abundant number, since it is smaller than the sum of its proper divisors (43876050990).

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

22002221010 is a wasteful number, since it uses less digits than its factorization.

22002221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22002221010 its reverse (1012220022), we get a palindrome (23014441032).

The spelling of 22002221010 in words is "twenty-two billion, two million, two hundred twenty-one thousand, ten".