21233325322 has 16 divisors (see below), whose sum is σ = 36574149600. Its totient is φ = 9143537040.

The previous prime is 21233325319. The next prime is 21233325331. The reversal of 21233325322 is 22352333212.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 25398297 + ... + 25399132.

It is an arithmetic number, because the mean of its divisors is an integer number (2285884350).

Almost surely, 2^21233325322 is an apocalyptic number.

21233325322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21233325322 is a deficient number, since it is larger than the sum of its proper divisors (15340824278).

21233325322 is a wasteful number, since it uses less digits than its factorization.

21233325322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50797461.

The product of its digits is 12960, while the sum is 28.

Adding to 21233325322 its reverse (22352333212), we get a palindrome (43585658534).

The spelling of 21233325322 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-five thousand, three hundred twenty-two".