33006222 has 12 divisors (see below), whose sum is σ = 71513520. Its totient is φ = 11002068.

The previous prime is 33006221. The next prime is 33006223. The reversal of 33006222 is 22260033.

It is an interprime number because it is at equal distance from previous prime (33006221) and next prime (33006223).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1833679 = 33006222 / (3 + 3 + 0 + 0 + 6 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 33006195 and 33006204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33006221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 916822 + ... + 916857.

It is an arithmetic number, because the mean of its divisors is an integer number (5959460).

Almost surely, 2^33006222 is an apocalyptic number.

33006222 is an abundant number, since it is smaller than the sum of its proper divisors (38507298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33006222 is a wasteful number, since it uses less digits than its factorization.

33006222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833687 (or 1833684 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33006222 is about 5745.1041766012. The cubic root of 33006222 is about 320.7735906000.

Adding to 33006222 its reverse (22260033), we get a palindrome (55266255).

The spelling of 33006222 in words is "thirty-three million, six thousand, two hundred twenty-two".