33143214 has 16 divisors (see below), whose sum is σ = 71385552. Its totient is φ = 10197888.

The previous prime is 33143213. The next prime is 33143233. The reversal of 33143214 is 41234133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33143213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212379 + ... + 212534.

It is an arithmetic number, because the mean of its divisors is an integer number (4461597).

Almost surely, 2^33143214 is an apocalyptic number.

33143214 is an abundant number, since it is smaller than the sum of its proper divisors (38242338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33143214 is a wasteful number, since it uses less digits than its factorization.

33143214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424931.

The product of its digits is 864, while the sum is 21.

The square root of 33143214 is about 5757.0143303626. The cubic root of 33143214 is about 321.2167672426.

Adding to 33143214 its reverse (41234133), we get a palindrome (74377347).

The spelling of 33143214 in words is "thirty-three million, one hundred forty-three thousand, two hundred fourteen".