222133331 has 8 divisors (see below), whose sum is σ = 253956864. Its totient is φ = 190332360.

The previous prime is 222133319. The next prime is 222133349. The reversal of 222133331 is 133331222.

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 222133331 - 2¹⁸ = 221871187 is a prime.

It is a super-2 number, since 2×222133331² = 98686433482311122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222133361) 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 7 ways as a sum of consecutive naturals, for example, 35096 + ... + 40938.

It is an arithmetic number, because the mean of its divisors is an integer number (31744608).

Almost surely, 2^222133331 is an apocalyptic number.

222133331 is a deficient number, since it is larger than the sum of its proper divisors (31823533).

222133331 is an equidigital number, since it uses as much as digits as its factorization.

222133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281.

The product of its digits is 648, while the sum is 20.

The square root of 222133331 is about 14904.1380495485. The cubic root of 222133331 is about 605.6260904711.

Adding to 222133331 its reverse (133331222), we get a palindrome (355464553).

The spelling of 222133331 in words is "two hundred twenty-two million, one hundred thirty-three thousand, three hundred thirty-one".