22222120993 has 4 divisors (see below), whose sum is σ = 22223064240. Its totient is φ = 22221177748.

The previous prime is 22222120967. The next prime is 22222120997. The reversal of 22222120993 is 39902122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22222120993 - 2¹⁷ = 22221989921 is a prime.

It is a super-2 number, since 2×22222120993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222120997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435355 + ... + 483712.

It is an arithmetic number, because the mean of its divisors is an integer number (5555766060).

Almost surely, 2^22222120993 is an apocalyptic number.

It is an amenable number.

22222120993 is a deficient number, since it is larger than the sum of its proper divisors (943247).

22222120993 is an equidigital number, since it uses as much as digits as its factorization.

22222120993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943246.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 22222120993 in words is "twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, nine hundred ninety-three".