33222263 has 4 divisors (see below), whose sum is σ = 34120200. Its totient is φ = 32324328.

The previous prime is 33222257. The next prime is 33222271. The reversal of 33222263 is 36222233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33222263 - 2¹⁸ = 32960119 is a prime.

It is a super-2 number, since 2×33222263² = 2207437517682338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448913 + ... + 448986.

It is an arithmetic number, because the mean of its divisors is an integer number (8530050).

Almost surely, 2^33222263 is an apocalyptic number.

33222263 is a deficient number, since it is larger than the sum of its proper divisors (897937).

33222263 is an equidigital number, since it uses as much as digits as its factorization.

33222263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897936.

The product of its digits is 2592, while the sum is 23.

The square root of 33222263 is about 5763.8756926221. The cubic root of 33222263 is about 321.4719396769.

Adding to 33222263 its reverse (36222233), we get a palindrome (69444496).

The spelling of 33222263 in words is "thirty-three million, two hundred twenty-two thousand, two hundred sixty-three".