22131001230 has 48 divisors (see below), whose sum is σ = 57514425840. Its totient is φ = 5447629824.

The previous prime is 22131001223. The next prime is 22131001259. The reversal of 22131001230 is 3210013122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2177475 + ... + 2187614.

It is an arithmetic number, because the mean of its divisors is an integer number (1198217205).

Almost surely, 2^22131001230 is an apocalyptic number.

22131001230 is an abundant number, since it is smaller than the sum of its proper divisors (35383424610).

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

22131001230 is a wasteful number, since it uses less digits than its factorization.

22131001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365125 (or 4365112 counting only the distinct ones).

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

Adding to 22131001230 its reverse (3210013122), we get a palindrome (25341014352).

The spelling of 22131001230 in words is "twenty-two billion, one hundred thirty-one million, one thousand, two hundred thirty".