222232120133 has 4 divisors (see below), whose sum is σ = 227652415788. Its totient is φ = 216811824480.

The previous prime is 222232120091. The next prime is 222232120151. The reversal of 222232120133 is 331021232222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331021232222 = 2 ⋅165510616111.

It can be written as a sum of positive squares in 2 ways, for example, as 92241586369 + 129990533764 = 303713^2 + 360542^2 .

It is not a de Polignac number, because 222232120133 - 2²⁴ = 222215342917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222232120099 and 222232120108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222232120193) 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, 2710147766 + ... + 2710147847.

It is an arithmetic number, because the mean of its divisors is an integer number (56913103947).

Almost surely, 2^222232120133 is an apocalyptic number.

It is an amenable number.

222232120133 is a deficient number, since it is larger than the sum of its proper divisors (5420295655).

222232120133 is an equidigital number, since it uses as much as digits as its factorization.

222232120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420295654.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222232120133 its reverse (331021232222), we get a palindrome (553253352355).

The spelling of 222232120133 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twenty thousand, one hundred thirty-three".