33222999 has 4 divisors (see below), whose sum is σ = 44297336. Its totient is φ = 22148664.

The previous prime is 33222989. The next prime is 33223007. The reversal of 33222999 is 99922233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99922233 = 3 ⋅33307411.

It is not a de Polignac number, because 33222999 - 2⁴ = 33222983 is a prime.

It is a super-2 number, since 2×33222999² = 2207535325108002, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222989) 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, 5537164 + ... + 5537169.

It is an arithmetic number, because the mean of its divisors is an integer number (11074334).

Almost surely, 2^33222999 is an apocalyptic number.

33222999 is a deficient number, since it is larger than the sum of its proper divisors (11074337).

33222999 is a wasteful number, since it uses less digits than its factorization.

33222999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074336.

The product of its digits is 52488, while the sum is 39.

The square root of 33222999 is about 5763.9395381978. The cubic root of 33222999 is about 321.4743136030.

The spelling of 33222999 in words is "thirty-three million, two hundred twenty-two thousand, nine hundred ninety-nine".