21232222302422 has 16 divisors (see below), whose sum is σ = 33528725003760. Its totient is φ = 10056119416992.

The previous prime is 21232222302359. The next prime is 21232222302449. The reversal of 21232222302422 is 22420322223212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34385573 + ... + 34997600.

It is an arithmetic number, because the mean of its divisors is an integer number (2095545312735).

Almost surely, 2^{21232222302422} is an apocalyptic number.

21232222302422 is a deficient number, since it is larger than the sum of its proper divisors (12296502701338).

21232222302422 is a wasteful number, since it uses less digits than its factorization.

21232222302422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69391247.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 21232222302422 its reverse (22420322223212), we get a palindrome (43652544525634).

The spelling of 21232222302422 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-two million, three hundred two thousand, four hundred twenty-two".