33220343 has 8 divisors (see below), whose sum is σ = 35935200. Its totient is φ = 30528288.

The previous prime is 33220337. The next prime is 33220351. The reversal of 33220343 is 34302233.

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

It is a cyclic number.

It is not a de Polignac number, because 33220343 - 2¹⁸ = 32958199 is a prime.

It is a super-2 number, since 2×33220343² = 2207182378075298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603 + ... + 8556.

It is an arithmetic number, because the mean of its divisors is an integer number (4491900).

Almost surely, 2^33220343 is an apocalyptic number.

33220343 is a deficient number, since it is larger than the sum of its proper divisors (2714857).

33220343 is a wasteful number, since it uses less digits than its factorization.

33220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 33220343 is about 5763.7091356174. The cubic root of 33220343 is about 321.4657466609.

Adding to 33220343 its reverse (34302233), we get a palindrome (67522576).

The spelling of 33220343 in words is "thirty-three million, two hundred twenty thousand, three hundred forty-three".