33022943 has 4 divisors (see below), whose sum is σ = 33043248. Its totient is φ = 33002640.

The previous prime is 33022939. The next prime is 33022973. The reversal of 33022943 is 34922033.

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 33022943 - 2² = 33022939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33022973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7478 + ... + 11043.

It is an arithmetic number, because the mean of its divisors is an integer number (8260812).

Almost surely, 2^33022943 is an apocalyptic number.

33022943 is a deficient number, since it is larger than the sum of its proper divisors (20305).

33022943 is a wasteful number, since it uses less digits than its factorization.

33022943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20304.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 33022943 is about 5746.5592314010. The cubic root of 33022943 is about 320.8277495777.

Adding to 33022943 its reverse (34922033), we get a palindrome (67944976).

The spelling of 33022943 in words is "thirty-three million, twenty-two thousand, nine hundred forty-three".