222319993 has 8 divisors (see below), whose sum is σ = 254657088. Its totient is φ = 190127184.

The previous prime is 222319973. The next prime is 222320009. The reversal of 222319993 is 399913222.

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 222319993 - 2¹⁷ = 222188921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222319913) 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 7 ways as a sum of consecutive naturals, for example, 32746 + ... + 38947.

It is an arithmetic number, because the mean of its divisors is an integer number (31832136).

Almost surely, 2^222319993 is an apocalyptic number.

It is an amenable number.

222319993 is a deficient number, since it is larger than the sum of its proper divisors (32337095).

222319993 is an equidigital number, since it uses as much as digits as its factorization.

222319993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72143.

The product of its digits is 52488, while the sum is 40.

The square root of 222319993 is about 14910.3988209571. The cubic root of 222319993 is about 605.7956818998.

The spelling of 222319993 in words is "two hundred twenty-two million, three hundred nineteen thousand, nine hundred ninety-three".