99933227 has 2 divisors, whose sum is σ = 99933228. Its totient is φ = 99933226.

The previous prime is 99933221. The next prime is 99933283. The reversal of 99933227 is 72233999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99933227 is a prime.

It is not a weakly prime, because it can be changed into another prime (99933221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49966613 + 49966614.

It is an arithmetic number, because the mean of its divisors is an integer number (49966614).

Almost surely, 2^99933227 is an apocalyptic number.

99933227 is a deficient number, since it is larger than the sum of its proper divisors (1).

99933227 is an equidigital number, since it uses as much as digits as its factorization.

99933227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 44.

The square root of 99933227 is about 9996.6607924847. The cubic root of 99933227 is about 464.0555494211.

The spelling of 99933227 in words is "ninety-nine million, nine hundred thirty-three thousand, two hundred twenty-seven".