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232122257 is a prime number
BaseRepresentation
bin11011101010111…
…10011110010001
3121011210000212122
431311132132101
5433410403012
635011104025
75516002163
oct1565363621
9534700778
10232122257
1110a032984
12658a2015
1339123263
1422b84933
15155a1e72
hexdd5e791

232122257 has 2 divisors, whose sum is σ = 232122258. Its totient is φ = 232122256.

The previous prime is 232122239. The next prime is 232122277. The reversal of 232122257 is 752221232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 15178816 = 14729^2 + 3896^2 .

It is a cyclic number.

It is not a de Polignac number, because 232122257 - 26 = 232122193 is a prime.

It is not a weakly prime, because it can be changed into another prime (232122277) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116061128 + 116061129.

It is an arithmetic number, because the mean of its divisors is an integer number (116061129).

Almost surely, 2232122257 is an apocalyptic number.

It is an amenable number.

232122257 is a deficient number, since it is larger than the sum of its proper divisors (1).

232122257 is an equidigital number, since it uses as much as digits as its factorization.

232122257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 232122257 is about 15235.5589657879. The cubic root of 232122257 is about 614.5712807345.

Adding to 232122257 its reverse (752221232), we get a palindrome (984343489).

The spelling of 232122257 in words is "two hundred thirty-two million, one hundred twenty-two thousand, two hundred fifty-seven".