332228987 has 2 divisors, whose sum is σ = 332228988. Its totient is φ = 332228986.

The previous prime is 332228971. The next prime is 332228993. The reversal of 332228987 is 789822233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 332228987 - 2⁴ = 332228971 is a prime.

It is a super-2 number, since 2×332228987² = 220752199606092338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (332228887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166114493 + 166114494.

It is an arithmetic number, because the mean of its divisors is an integer number (166114494).

Almost surely, 2^332228987 is an apocalyptic number.

332228987 is a deficient number, since it is larger than the sum of its proper divisors (1).

332228987 is an equidigital number, since it uses as much as digits as its factorization.

332228987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 332228987 is about 18227.1497223236. The cubic root of 332228987 is about 692.5947161997.

The spelling of 332228987 in words is "three hundred thirty-two million, two hundred twenty-eight thousand, nine hundred eighty-seven".