33412243 has 2 divisors, whose sum is σ = 33412244. Its totient is φ = 33412242.

The previous prime is 33412219. The next prime is 33412271. The reversal of 33412243 is 34221433.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33412243 is a prime.

It is a super-2 number, since 2×33412243² = 2232755964582098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33412343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16706121 + 16706122.

It is an arithmetic number, because the mean of its divisors is an integer number (16706122).

Almost surely, 2^33412243 is an apocalyptic number.

33412243 is a deficient number, since it is larger than the sum of its proper divisors (1).

33412243 is an equidigital number, since it uses as much as digits as its factorization.

33412243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 33412243 is about 5780.3324298867. The cubic root of 33412243 is about 322.0835495551.

Adding to 33412243 its reverse (34221433), we get a palindrome (67633676).

The spelling of 33412243 in words is "thirty-three million, four hundred twelve thousand, two hundred forty-three".