22033223321221 has 8 divisors (see below), whose sum is σ = 25326380565504. Its totient is φ = 18776454555120.

The previous prime is 22033223321159. The next prime is 22033223321231. The reversal of 22033223321221 is 12212332233022.

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

It is a cyclic number.

It is not a de Polignac number, because 22033223321221 - 2²³ = 22033214932613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22033223321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033223321231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097118245 + ... + 9097120666.

It is an arithmetic number, because the mean of its divisors is an integer number (3165797570688).

Almost surely, 2^{22033223321221} is an apocalyptic number.

It is an amenable number.

22033223321221 is a deficient number, since it is larger than the sum of its proper divisors (3293157244283).

22033223321221 is a wasteful number, since it uses less digits than its factorization.

22033223321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194239091.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22033223321221 its reverse (12212332233022), we get a palindrome (34245555554243).

The spelling of 22033223321221 in words is "twenty-two trillion, thirty-three billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-one".