33334213 has 4 divisors (see below), whose sum is σ = 36364608. Its totient is φ = 30303820.

The previous prime is 33334201. The next prime is 33334277. The reversal of 33334213 is 31243333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31243333 = 11 ⋅2840303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33334213 is a prime.

It is a super-2 number, since 2×33334213² = 2222339512658738, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33334013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515181 + ... + 1515202.

It is an arithmetic number, because the mean of its divisors is an integer number (9091152).

Almost surely, 2^33334213 is an apocalyptic number.

It is an amenable number.

33334213 is a deficient number, since it is larger than the sum of its proper divisors (3030395).

33334213 is a wasteful number, since it uses less digits than its factorization.

33334213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030394.

The product of its digits is 1944, while the sum is 22.

The square root of 33334213 is about 5773.5788727617. The cubic root of 33334213 is about 321.8326258731.

Adding to 33334213 its reverse (31243333), we get a palindrome (64577546).

The spelling of 33334213 in words is "thirty-three million, three hundred thirty-four thousand, two hundred thirteen".