22130423244 has 18 divisors (see below), whose sum is σ = 55940792180. Its totient is φ = 7376807736.

The previous prime is 22130423233. The next prime is 22130423279. The reversal of 22130423244 is 44232403122.

22130423244 is a `hidden beast` number, since 2 + 213 + 0 + 423 + 24 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307366954 + ... + 307367025.

Almost surely, 2^22130423244 is an apocalyptic number.

It is an amenable number.

22130423244 is an abundant number, since it is smaller than the sum of its proper divisors (33810368936).

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

22130423244 is a wasteful number, since it uses less digits than its factorization.

22130423244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614733989 (or 614733984 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22130423244 its reverse (44232403122), we get a palindrome (66362826366).

The spelling of 22130423244 in words is "twenty-two billion, one hundred thirty million, four hundred twenty-three thousand, two hundred forty-four".