21233132222 has 8 divisors (see below), whose sum is σ = 31852034136. Its totient is φ = 10615787512.

The previous prime is 21233132189. The next prime is 21233132227. The reversal of 21233132222 is 22223133212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233132227) 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, 354593 + ... + 410124.

It is an arithmetic number, because the mean of its divisors is an integer number (3981504267).

Almost surely, 2^21233132222 is an apocalyptic number.

21233132222 is a deficient number, since it is larger than the sum of its proper divisors (10618901914).

21233132222 is a wasteful number, since it uses less digits than its factorization.

21233132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778602.

The product of its digits is 1728, while the sum is 23.

Adding to 21233132222 its reverse (22223133212), we get a palindrome (43456265434).

The spelling of 21233132222 in words is "twenty-one billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-two".