33414213 has 16 divisors (see below), whose sum is σ = 51371136. Its totient is φ = 18923520.

The previous prime is 33414191. The next prime is 33414253. The reversal of 33414213 is 31241433.

It is not a de Polignac number, because 33414213 - 2⁵ = 33414181 is a prime.

It is a super-2 number, since 2×33414213² = 2233019260818738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 33414213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33414253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668 + ... + 9413.

It is an arithmetic number, because the mean of its divisors is an integer number (3210696).

Almost surely, 2^33414213 is an apocalyptic number.

It is an amenable number.

33414213 is a deficient number, since it is larger than the sum of its proper divisors (17956923).

33414213 is a wasteful number, since it uses less digits than its factorization.

33414213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204.

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

The square root of 33414213 is about 5780.5028327992. The cubic root of 33414213 is about 322.0898794916.

Adding to 33414213 its reverse (31241433), we get a palindrome (64655646).

The spelling of 33414213 in words is "thirty-three million, four hundred fourteen thousand, two hundred thirteen".