22001013210 has 128 divisors (see below), whose sum is σ = 59518457856. Its totient is φ = 5158621440.

The previous prime is 22001013163. The next prime is 22001013217. The reversal of 22001013210 is 1231010022.

It is not an unprimeable number, because it can be changed into a prime (22001013217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454044 + ... + 1469096.

It is an arithmetic number, because the mean of its divisors is an integer number (464987952).

Almost surely, 2^22001013210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001013210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29759228928).

22001013210 is an abundant number, since it is smaller than the sum of its proper divisors (37517444646).

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

22001013210 is a wasteful number, since it uses less digits than its factorization.

22001013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22001013210 its reverse (1231010022), we get a palindrome (23232023232).

The spelling of 22001013210 in words is "twenty-two billion, one million, thirteen thousand, two hundred ten".