33212243 has 8 divisors (see below), whose sum is σ = 34008240. Its totient is φ = 32424480.

The previous prime is 33212189. The next prime is 33212261. The reversal of 33212243 is 34221233.

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 33212243 - 2¹⁰ = 33211219 is a prime.

It is a super-2 number, since 2×33212243² = 2206106170182098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33218243) 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, 6521 + ... + 10437.

It is an arithmetic number, because the mean of its divisors is an integer number (4251030).

Almost surely, 2^33212243 is an apocalyptic number.

33212243 is a deficient number, since it is larger than the sum of its proper divisors (795997).

33212243 is a wasteful number, since it uses less digits than its factorization.

33212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

The product of its digits is 864, while the sum is 20.

The square root of 33212243 is about 5763.0064202636. The cubic root of 33212243 is about 321.4396172477.

Adding to 33212243 its reverse (34221233), we get a palindrome (67433476).

The spelling of 33212243 in words is "thirty-three million, two hundred twelve thousand, two hundred forty-three".