33022281 has 8 divisors (see below), whose sum is σ = 44310784. Its totient is φ = 21874320.

The previous prime is 33022267. The next prime is 33022303. The reversal of 33022281 is 18222033.

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

It is not a de Polignac number, because 33022281 - 2⁶ = 33022217 is a prime.

It is a super-2 number, since 2×33022281² = 2180942084885922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33022081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34585 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (5538848).

Almost surely, 2^33022281 is an apocalyptic number.

It is an amenable number.

33022281 is a deficient number, since it is larger than the sum of its proper divisors (11288503).

33022281 is a wasteful number, since it uses less digits than its factorization.

33022281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70271.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 33022281 is about 5746.5016314276. The cubic root of 33022281 is about 320.8256057208.

The spelling of 33022281 in words is "thirty-three million, twenty-two thousand, two hundred eighty-one".