22021310322 has 32 divisors (see below), whose sum is σ = 53384996160. Its totient is φ = 6673124160.

The previous prime is 22021310293. The next prime is 22021310351. The reversal of 22021310322 is 22301312022.

It is an interprime number because it is at equal distance from previous prime (22021310293) and next prime (22021310351).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22021310295 and 22021310304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18535863 + ... + 18537050.

It is an arithmetic number, because the mean of its divisors is an integer number (1668281130).

Almost surely, 2^22021310322 is an apocalyptic number.

22021310322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021310322 is an abundant number, since it is smaller than the sum of its proper divisors (31363685838).

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

22021310322 is a wasteful number, since it uses less digits than its factorization.

22021310322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37072935 (or 37072929 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22021310322 its reverse (22301312022), we get a palindrome (44322622344).

The spelling of 22021310322 in words is "twenty-two billion, twenty-one million, three hundred ten thousand, three hundred twenty-two".