Search a number
-
+
33222239 is a prime number
BaseRepresentation
bin111111010111…
…0111001011111
32022111212100022
41332232321133
532001102424
63144022355
7552245561
oct176567137
968455308
1033222239
11178313a6
12b1619bb
136b6283b
1445ab331
152db395e
hex1faee5f

33222239 has 2 divisors, whose sum is σ = 33222240. Its totient is φ = 33222238.

The previous prime is 33222223. The next prime is 33222253. The reversal of 33222239 is 93222233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33222239 - 24 = 33222223 is a prime.

It is a super-2 number, since 2×332222392 = 2207434328346242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33222289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611119 + 16611120.

It is an arithmetic number, because the mean of its divisors is an integer number (16611120).

Almost surely, 233222239 is an apocalyptic number.

33222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

33222239 is an equidigital number, since it uses as much as digits as its factorization.

33222239 is an odious number, because the sum of its binary digits is odd.

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

The square root of 33222239 is about 5763.8736106893. The cubic root of 33222239 is about 321.4718622656.

The spelling of 33222239 in words is "thirty-three million, two hundred twenty-two thousand, two hundred thirty-nine".