33022978 has 8 divisors (see below), whose sum is σ = 49719420. Its totient is φ = 16449840.

The previous prime is 33022973. The next prime is 33023017. The reversal of 33022978 is 87922033.

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 9529569 = 4847^2 + 3087^2 .

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

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

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, 30153 + ... + 31228.

Almost surely, 2^33022978 is an apocalyptic number.

33022978 is a deficient number, since it is larger than the sum of its proper divisors (16696442).

33022978 is a wasteful number, since it uses less digits than its factorization.

33022978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61652.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 33022978 is about 5746.5622767007. The cubic root of 33022978 is about 320.8278629228.

The spelling of 33022978 in words is "thirty-three million, twenty-two thousand, nine hundred seventy-eight".