22211000320 has 96 divisors (see below), whose sum is σ = 53462550960. Its totient is φ = 8856207360.

The previous prime is 22211000309. The next prime is 22211000321. The reversal of 22211000320 is 2300011222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211000320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386164 + ... + 3392716.

Almost surely, 2^22211000320 is an apocalyptic number.

22211000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26731275480).

22211000320 is an abundant number, since it is smaller than the sum of its proper divisors (31251550640).

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

22211000320 is an equidigital number, since it uses as much as digits as its factorization.

22211000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22211000320 its reverse (2300011222), we get a palindrome (24511011542).

The spelling of 22211000320 in words is "twenty-two billion, two hundred eleven million, three hundred twenty", and thus it is an aban number.