222001323133 has 4 divisors (see below), whose sum is σ = 225640689148. Its totient is φ = 218361957120.

The previous prime is 222001323113. The next prime is 222001323163. The reversal of 222001323133 is 331323100222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331323100222 = 2 ⋅165661550111.

It can be written as a sum of positive squares in 2 ways, for example, as 7819334329 + 214181988804 = 88427^2 + 462798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222001323133 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 (222001323113) 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, 1819682916 + ... + 1819683037.

It is an arithmetic number, because the mean of its divisors is an integer number (56410172287).

Almost surely, 2^222001323133 is an apocalyptic number.

It is an amenable number.

222001323133 is a deficient number, since it is larger than the sum of its proper divisors (3639366015).

222001323133 is an equidigital number, since it uses as much as digits as its factorization.

222001323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639366014.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 222001323133 its reverse (331323100222), we get a palindrome (553324423355).

The spelling of 222001323133 in words is "two hundred twenty-two billion, one million, three hundred twenty-three thousand, one hundred thirty-three".