22124220330 has 64 divisors (see below), whose sum is σ = 54567934848. Its totient is φ = 5737405440.

The previous prime is 22124220323. The next prime is 22124220341. The reversal of 22124220330 is 3302242122.

It is a super-2 number, since 2×22124220330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22124220297 and 22124220306.

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 31 ways as a sum of consecutive naturals, for example, 356257 + ... + 413723.

It is an arithmetic number, because the mean of its divisors is an integer number (852623982).

Almost surely, 2^22124220330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22124220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27283967424).

22124220330 is an abundant number, since it is smaller than the sum of its proper divisors (32443714518).

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

22124220330 is a wasteful number, since it uses less digits than its factorization.

22124220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57831.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22124220330 its reverse (3302242122), we get a palindrome (25426462452).

The spelling of 22124220330 in words is "twenty-two billion, one hundred twenty-four million, two hundred twenty thousand, three hundred thirty".