33102213 has 8 divisors (see below), whose sum is σ = 46732608. Its totient is φ = 20769984.

The previous prime is 33102197. The next prime is 33102233. The reversal of 33102213 is 31220133.

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

It is not a de Polignac number, because 33102213 - 2⁴ = 33102197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33102192 and 33102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33102233) 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 7 ways as a sum of consecutive naturals, for example, 324481 + ... + 324582.

It is an arithmetic number, because the mean of its divisors is an integer number (5841576).

Almost surely, 2^33102213 is an apocalyptic number.

It is an amenable number.

33102213 is a deficient number, since it is larger than the sum of its proper divisors (13630395).

33102213 is a wasteful number, since it uses less digits than its factorization.

33102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649083.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33102213 is about 5753.4522679866. The cubic root of 33102213 is about 321.0842550155.

Adding to 33102213 its reverse (31220133), we get a palindrome (64322346).

The spelling of 33102213 in words is "thirty-three million, one hundred two thousand, two hundred thirteen".