2229329891 has 2 divisors, whose sum is σ = 2229329892. Its totient is φ = 2229329890.

The previous prime is 2229329887. The next prime is 2229329909. The reversal of 2229329891 is 1989239222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2229329891 - 2² = 2229329887 is a prime.

It is not a weakly prime, because it can be changed into another prime (2229329801) 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 as a sum of consecutive naturals, namely, 1114664945 + 1114664946.

It is an arithmetic number, because the mean of its divisors is an integer number (1114664946).

Almost surely, 2^2229329891 is an apocalyptic number.

2229329891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229329891 is an equidigital number, since it uses as much as digits as its factorization.

2229329891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 2229329891 is about 47215.7801058078. The cubic root of 2229329891 is about 1306.3456788322.

The spelling of 2229329891 in words is "two billion, two hundred twenty-nine million, three hundred twenty-nine thousand, eight hundred ninety-one".