222539133 has 4 divisors (see below), whose sum is σ = 296718848. Its totient is φ = 148359420.

The previous prime is 222539131. The next prime is 222539143. The reversal of 222539133 is 331935222.

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 not a de Polignac number, because 222539133 - 2¹ = 222539131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222539133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222539131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37089853 + ... + 37089858.

It is an arithmetic number, because the mean of its divisors is an integer number (74179712).

Almost surely, 2^222539133 is an apocalyptic number.

It is an amenable number.

222539133 is a deficient number, since it is larger than the sum of its proper divisors (74179715).

222539133 is an equidigital number, since it uses as much as digits as its factorization.

222539133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74179714.

The product of its digits is 9720, while the sum is 30.

The square root of 222539133 is about 14917.7455736448. The cubic root of 222539133 is about 605.9946600625.

The spelling of 222539133 in words is "two hundred twenty-two million, five hundred thirty-nine thousand, one hundred thirty-three".