33230429 has 2 divisors, whose sum is σ = 33230430. Its totient is φ = 33230428.

The previous prime is 33230401. The next prime is 33230441. The reversal of 33230429 is 92403233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 5299204 = 5285^2 + 2302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33230429 is a prime.

It is a super-2 number, since 2×33230429² = 2208522823048082, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33230398 and 33230407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33230489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615214 + 16615215.

It is an arithmetic number, because the mean of its divisors is an integer number (16615215).

Almost surely, 2^33230429 is an apocalyptic number.

It is an amenable number.

33230429 is a deficient number, since it is larger than the sum of its proper divisors (1).

33230429 is an equidigital number, since it uses as much as digits as its factorization.

33230429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 33230429 is about 5764.5840266233. The cubic root of 33230429 is about 321.4982766827.

The spelling of 33230429 in words is "thirty-three million, two hundred thirty thousand, four hundred twenty-nine".