33253229 has 2 divisors, whose sum is σ = 33253230. Its totient is φ = 33253228.

The previous prime is 33253223. The next prime is 33253237. The reversal of 33253229 is 92235233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19377604 + 13875625 = 4402^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 33253229 - 2¹² = 33249133 is a prime.

It is a super-2 number, since 2×33253229² = 2211554477852882, which contains 22 as substring.

It is equal to p_2046278 and since 33253229 and 2046278 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33253223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16626614 + 16626615.

It is an arithmetic number, because the mean of its divisors is an integer number (16626615).

Almost surely, 2^33253229 is an apocalyptic number.

It is an amenable number.

33253229 is a deficient number, since it is larger than the sum of its proper divisors (1).

33253229 is an equidigital number, since it uses as much as digits as its factorization.

33253229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 33253229 is about 5766.5612803472. The cubic root of 33253229 is about 321.5717884721.

The spelling of 33253229 in words is "thirty-three million, two hundred fifty-three thousand, two hundred twenty-nine".