22000122320 has 40 divisors (see below), whose sum is σ = 55800312480. Its totient is φ = 8000044160.

The previous prime is 22000122317. The next prime is 22000122341. The reversal of 22000122320 is 2322100022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 22000122295 and 22000122304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499190 + ... + 12500949.

It is an arithmetic number, because the mean of its divisors is an integer number (1395007812).

Almost surely, 2^22000122320 is an apocalyptic number.

22000122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000122320 is an abundant number, since it is smaller than the sum of its proper divisors (33800190160).

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

22000122320 is a wasteful number, since it uses less digits than its factorization.

22000122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000163 (or 25000157 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22000122320 its reverse (2322100022), we get a palindrome (24322222342).

The spelling of 22000122320 in words is "twenty-two billion, one hundred twenty-two thousand, three hundred twenty".