22213310322 has 64 divisors (see below), whose sum is σ = 52576646400. Its totient is φ = 6121678080.

The previous prime is 22213310299. The next prime is 22213310333. The reversal of 22213310322 is 22301331222.

It is a happy number.

It is a super-2 number, since 2×22213310322² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283704 + ... + 1300892.

It is an arithmetic number, because the mean of its divisors is an integer number (821510100).

Almost surely, 2^22213310322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22213310322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26288323200).

22213310322 is an abundant number, since it is smaller than the sum of its proper divisors (30363336078).

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

22213310322 is a wasteful number, since it uses less digits than its factorization.

22213310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22213310322 its reverse (22301331222), we get a palindrome (44514641544).

The spelling of 22213310322 in words is "twenty-two billion, two hundred thirteen million, three hundred ten thousand, three hundred twenty-two".