21232230222302 has 16 divisors (see below), whose sum is σ = 34757431239024. Its totient is φ = 9647185464000.

The previous prime is 21232230222277. The next prime is 21232230222389. The reversal of 21232230222302 is 20322203223212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191356949 + ... + 191467872.

It is an arithmetic number, because the mean of its divisors is an integer number (2172339452439).

Almost surely, 2^{21232230222302} is an apocalyptic number.

21232230222302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21232230222302 is a deficient number, since it is larger than the sum of its proper divisors (13525201016722).

21232230222302 is a wasteful number, since it uses less digits than its factorization.

21232230222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382827355.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21232230222302 its reverse (20322203223212), we get a palindrome (41554433445514).

The spelling of 21232230222302 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred thirty million, two hundred twenty-two thousand, three hundred two".