33942217 has 8 divisors (see below), whose sum is σ = 36027936. Its totient is φ = 31866432.

The previous prime is 33942211. The next prime is 33942221. The reversal of 33942217 is 71224933.

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

It is not a de Polignac number, because 33942217 - 2¹⁹ = 33417929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33942211) 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, 5278 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (4503492).

Almost surely, 2^33942217 is an apocalyptic number.

It is an amenable number.

33942217 is a deficient number, since it is larger than the sum of its proper divisors (2085719).

33942217 is a wasteful number, since it uses less digits than its factorization.

33942217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its digits is 9072, while the sum is 31.

The square root of 33942217 is about 5825.9949364894. The cubic root of 33942217 is about 323.7775520546. Note that the first 3 decimals are identical.

The spelling of 33942217 in words is "thirty-three million, nine hundred forty-two thousand, two hundred seventeen".