222131022223133 has 4 divisors (see below), whose sum is σ = 222131054118588. Its totient is φ = 222130990327680.

The previous prime is 222131022223111. The next prime is 222131022223139. The reversal of 222131022223133 is 331322220131222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 63309981957049 + 158821040266084 = 7956757^2 + 12602422^2 .

It is a cyclic number.

It is not a de Polignac number, because 222131022223133 - 2³⁶ = 222062302746397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222131022223096 and 222131022223105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222131022223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537758 + ... + 21084383.

It is an arithmetic number, because the mean of its divisors is an integer number (55532763529647).

Almost surely, 2^{222131022223133} is an apocalyptic number.

It is an amenable number.

222131022223133 is a deficient number, since it is larger than the sum of its proper divisors (31895455).

222131022223133 is a wasteful number, since it uses less digits than its factorization.

222131022223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31895454.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 222131022223133 its reverse (331322220131222), we get a palindrome (553453242354355).

The spelling of 222131022223133 in words is "two hundred twenty-two trillion, one hundred thirty-one billion, twenty-two million, two hundred twenty-three thousand, one hundred thirty-three".