21222233333323 has 16 divisors (see below), whose sum is σ = 24160071465216. Its totient is φ = 18452621737440.

The previous prime is 21222233333317. The next prime is 21222233333359. The reversal of 21222233333323 is 32333333222212.

It is not a de Polignac number, because 21222233333323 - 2⁵ = 21222233333291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222233333393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259365 + ... + 6520102.

It is an arithmetic number, because the mean of its divisors is an integer number (1510004466576).

Almost surely, 2^{21222233333323} is an apocalyptic number.

21222233333323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21222233333323 is a deficient number, since it is larger than the sum of its proper divisors (2937838131893).

21222233333323 is a wasteful number, since it uses less digits than its factorization.

21222233333323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791874.

The product of its digits is 139968, while the sum is 34.

Adding to 21222233333323 its reverse (32333333222212), we get a palindrome (53555566555535).

The spelling of 21222233333323 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty-three million, three hundred thirty-three thousand, three hundred twenty-three".