33071222 has 8 divisors (see below), whose sum is σ = 52524936. Its totient is φ = 15562912.

The previous prime is 33071219. The next prime is 33071237. The reversal of 33071222 is 22217033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 33071194 and 33071203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486308 + ... + 486375.

It is an arithmetic number, because the mean of its divisors is an integer number (6565617).

Almost surely, 2^33071222 is an apocalyptic number.

33071222 is a deficient number, since it is larger than the sum of its proper divisors (19453714).

33071222 is a wasteful number, since it uses less digits than its factorization.

33071222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972702.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 33071222 is about 5750.7583847698. The cubic root of 33071222 is about 320.9840217459.

Adding to 33071222 its reverse (22217033), we get a palindrome (55288255).

The spelling of 33071222 in words is "thirty-three million, seventy-one thousand, two hundred twenty-two".