33229997 has 2 divisors, whose sum is σ = 33229998. Its totient is φ = 33229996.

The previous prime is 33229991. The next prime is 33230011. The reversal of 33229997 is 79992233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 5044516 = 5309^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 33229997 - 2⁴ = 33229981 is a prime.

It is a super-2 number, since 2×33229997² = 2208465401240018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33229991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16614998 + 16614999.

It is an arithmetic number, because the mean of its divisors is an integer number (16614999).

Almost surely, 2^33229997 is an apocalyptic number.

It is an amenable number.

33229997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33229997 is an equidigital number, since it uses as much as digits as its factorization.

33229997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 33229997 is about 5764.5465563217. The cubic root of 33229997 is about 321.4968835032.

The spelling of 33229997 in words is "thirty-three million, two hundred twenty-nine thousand, nine hundred ninety-seven".