2222351993 has 4 divisors (see below), whose sum is σ = 2222675280. Its totient is φ = 2222028708.

The previous prime is 2222351959. The next prime is 2222352007. The reversal of 2222351993 is 3991532222.

2222351993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2222351993 - 2¹⁶ = 2222286457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222351393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151103 + ... + 165156.

It is an arithmetic number, because the mean of its divisors is an integer number (555668820).

Almost surely, 2^2222351993 is an apocalyptic number.

It is an amenable number.

2222351993 is a deficient number, since it is larger than the sum of its proper divisors (323287).

2222351993 is an equidigital number, since it uses as much as digits as its factorization.

2222351993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323286.

The product of its digits is 58320, while the sum is 38.

The square root of 2222351993 is about 47141.8284859635. The cubic root of 2222351993 is about 1304.9812816661.

The spelling of 2222351993 in words is "two billion, two hundred twenty-two million, three hundred fifty-one thousand, nine hundred ninety-three".