2203229891 has 2 divisors, whose sum is σ = 2203229892. Its totient is φ = 2203229890.

The previous prime is 2203229887. The next prime is 2203229927. The reversal of 2203229891 is 1989223022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2203229891 - 2² = 2203229887 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203229881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101614945 + 1101614946.

It is an arithmetic number, because the mean of its divisors is an integer number (1101614946).

Almost surely, 2^2203229891 is an apocalyptic number.

2203229891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203229891 is an equidigital number, since it uses as much as digits as its factorization.

2203229891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2203229891 is about 46938.5757240247. The cubic root of 2203229891 is about 1301.2276157185.

The spelling of 2203229891 in words is "two billion, two hundred three million, two hundred twenty-nine thousand, eight hundred ninety-one".