22321030320 has 120 divisors (see below), whose sum is σ = 75662295696. Its totient is φ = 5896625664.

The previous prime is 22321030307. The next prime is 22321030327. The reversal of 22321030320 is 2303012322.

It is a happy number.

22321030320 is a `hidden beast` number, since 22 + 321 + 0 + 3 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×22321030320³ (a number of 32 digits) contains 333 as substring.

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 = 22321030293 and 22321030302.

It is not an unprimeable number, because it can be changed into a prime (22321030327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67827 + ... + 221906.

Almost surely, 2^22321030320 is an apocalyptic number.

22321030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321030320 is an abundant number, since it is smaller than the sum of its proper divisors (53341265376).

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

22321030320 is a wasteful number, since it uses less digits than its factorization.

22321030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289859 (or 289850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22321030320 its reverse (2303012322), we get a palindrome (24624042642).

The spelling of 22321030320 in words is "twenty-two billion, three hundred twenty-one million, thirty thousand, three hundred twenty".