299092221 has 12 divisors (see below), whose sum is σ = 438471072. Its totient is φ = 196418376.

The previous prime is 299092217. The next prime is 299092273. The reversal of 299092221 is 122290992.

It is not a de Polignac number, because 299092221 - 2² = 299092217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299092291) 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 in 11 ways as a sum of consecutive naturals, for example, 247401 + ... + 248606.

It is an arithmetic number, because the mean of its divisors is an integer number (36539256).

Almost surely, 2^299092221 is an apocalyptic number.

It is an amenable number.

299092221 is a deficient number, since it is larger than the sum of its proper divisors (139378851).

299092221 is a wasteful number, since it uses less digits than its factorization.

299092221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496080 (or 496077 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 299092221 is about 17294.2828992705. The cubic root of 299092221 is about 668.7570487975.

The spelling of 299092221 in words is "two hundred ninety-nine million, ninety-two thousand, two hundred twenty-one".