22022132130 has 96 divisors (see below), whose sum is σ = 58273239024. Its totient is φ = 5769289728.

The previous prime is 22022132117. The next prime is 22022132179. The reversal of 22022132130 is 3123122022.

It can be written as a sum of positive squares in 8 ways, for example, as 7209538281 + 14812593849 = 84909^2 + 121707^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1186804 + ... + 1205216.

Almost surely, 2^22022132130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022132130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29136619512).

22022132130 is an abundant number, since it is smaller than the sum of its proper divisors (36251106894).

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

22022132130 is a wasteful number, since it uses less digits than its factorization.

22022132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18660 (or 18657 counting only the distinct ones).

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

Adding to 22022132130 its reverse (3123122022), we get a palindrome (25145254152).

The spelling of 22022132130 in words is "twenty-two billion, twenty-two million, one hundred thirty-two thousand, one hundred thirty".