22112303130 has 128 divisors (see below), whose sum is σ = 59502643200. Its totient is φ = 5843238912.

The previous prime is 22112303123. The next prime is 22112303137. The reversal of 22112303130 is 3130321122.

22112303130 is a `hidden beast` number, since 221 + 12 + 303 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (22112303123) and next prime (22112303137).

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

It is not an unprimeable number, because it can be changed into a prime (22112303137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15473256 + ... + 15474684.

It is an arithmetic number, because the mean of its divisors is an integer number (464864400).

Almost surely, 2^22112303130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112303130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29751321600).

22112303130 is an abundant number, since it is smaller than the sum of its proper divisors (37390340070).

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

22112303130 is a wasteful number, since it uses less digits than its factorization.

22112303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22112303130 its reverse (3130321122), we get a palindrome (25242624252).

The spelling of 22112303130 in words is "twenty-two billion, one hundred twelve million, three hundred three thousand, one hundred thirty".