22130302231 has 4 divisors (see below), whose sum is σ = 23295055000. Its totient is φ = 20965549464.

The previous prime is 22130302199. The next prime is 22130302241. The reversal of 22130302231 is 13220303122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22130302231 - 2⁵ = 22130302199 is a prime.

It is a super-2 number, since 2×22130302231² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1164752749 = 22130302231 / (2 + 2 + 1 + 3 + 0 + 3 + 0 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22130302199 and 22130302208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130302241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 582376356 + ... + 582376393.

It is an arithmetic number, because the mean of its divisors is an integer number (5823763750).

Almost surely, 2^22130302231 is an apocalyptic number.

22130302231 is a deficient number, since it is larger than the sum of its proper divisors (1164752769).

22130302231 is a wasteful number, since it uses less digits than its factorization.

22130302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164752768.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22130302231 its reverse (13220303122), we get a palindrome (35350605353).

The spelling of 22130302231 in words is "twenty-two billion, one hundred thirty million, three hundred two thousand, two hundred thirty-one".