33244147 has 2 divisors, whose sum is σ = 33244148. Its totient is φ = 33244146.

The previous prime is 33244111. The next prime is 33244157. The reversal of 33244147 is 74144233.

It is a strong prime.

It is an emirp because it is prime and its reverse (74144233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33244147 - 2²³ = 24855539 is a prime.

It is a super-2 number, since 2×33244147² = 2210346619515218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33244157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622073 + 16622074.

It is an arithmetic number, because the mean of its divisors is an integer number (16622074).

Almost surely, 2^33244147 is an apocalyptic number.

33244147 is a deficient number, since it is larger than the sum of its proper divisors (1).

33244147 is an equidigital number, since it uses as much as digits as its factorization.

33244147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 33244147 is about 5765.7737555336. The cubic root of 33244147 is about 321.5425103038.

The spelling of 33244147 in words is "thirty-three million, two hundred forty-four thousand, one hundred forty-seven".