332868181 has 2 divisors, whose sum is σ = 332868182. Its totient is φ = 332868180.

The previous prime is 332868161. The next prime is 332868251. The reversal of 332868181 is 181868233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248062500 + 84805681 = 15750^2 + 9209^2 .

It is a cyclic number.

It is not a de Polignac number, because 332868181 - 2¹⁵ = 332835413 is a prime.

It is a super-2 number, since 2×332868181² = 221602451844497522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332868131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166434090 + 166434091.

It is an arithmetic number, because the mean of its divisors is an integer number (166434091).

Almost surely, 2^332868181 is an apocalyptic number.

It is an amenable number.

332868181 is a deficient number, since it is larger than the sum of its proper divisors (1).

332868181 is an equidigital number, since it uses as much as digits as its factorization.

332868181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 332868181 is about 18244.6754150355. The cubic root of 332868181 is about 693.0386055993.

The spelling of 332868181 in words is "three hundred thirty-two million, eight hundred sixty-eight thousand, one hundred eighty-one".