22333156166221 has 8 divisors (see below), whose sum is σ = 22370733521024. Its totient is φ = 22295580199200.

The previous prime is 22333156166179. The next prime is 22333156166227. The reversal of 22333156166221 is 12266165133322.

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 22333156166221 - 2¹¹ = 22333156164173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22333156166227) 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, 34866970 + ... + 35501716.

It is an arithmetic number, because the mean of its divisors is an integer number (2796341690128).

Almost surely, 2^{22333156166221} is an apocalyptic number.

It is an amenable number.

22333156166221 is a deficient number, since it is larger than the sum of its proper divisors (37577354803).

22333156166221 is an equidigital number, since it uses as much as digits as its factorization.

22333156166221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693891.

The product of its digits is 466560, while the sum is 43.

The spelling of 22333156166221 in words is "twenty-two trillion, three hundred thirty-three billion, one hundred fifty-six million, one hundred sixty-six thousand, two hundred twenty-one".