22131130002 has 8 divisors (see below), whose sum is σ = 44262260016. Its totient is φ = 7377043332.

The previous prime is 22131129997. The next prime is 22131130003. The reversal of 22131130002 is 20003113122.

It is a sphenic number, since it is the product of 3 distinct primes.

22131130002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22131130003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844260828 + ... + 1844260839.

It is an arithmetic number, because the mean of its divisors is an integer number (5532782502).

Almost surely, 2^22131130002 is an apocalyptic number.

22131130002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22131130002 is a wasteful number, since it uses less digits than its factorization.

22131130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688521672.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22131130002 its reverse (20003113122), we get a palindrome (42134243124).

The spelling of 22131130002 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirty thousand, two".