332404217 has 2 divisors, whose sum is σ = 332404218. Its totient is φ = 332404216.

The previous prime is 332404169. The next prime is 332404229. The reversal of 332404217 is 712404233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328733161 + 3671056 = 18131^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 332404217 - 2¹⁴ = 332387833 is a prime.

It is a super-2 number, since 2×332404217² = 220985126958766178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332404277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166202108 + 166202109.

It is an arithmetic number, because the mean of its divisors is an integer number (166202109).

Almost surely, 2^332404217 is an apocalyptic number.

It is an amenable number.

332404217 is a deficient number, since it is larger than the sum of its proper divisors (1).

332404217 is an equidigital number, since it uses as much as digits as its factorization.

332404217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 332404217 is about 18231.9559290823. The cubic root of 332404217 is about 692.7164615881.

The spelling of 332404217 in words is "three hundred thirty-two million, four hundred four thousand, two hundred seventeen".