2328227891 has 4 divisors (see below), whose sum is σ = 2539884984. Its totient is φ = 2116570800.

The previous prime is 2328227887. The next prime is 2328227897. The reversal of 2328227891 is 1987228232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2328227891 - 2² = 2328227887 is a prime.

It is a super-2 number, since 2×2328227891² = 10841290224860615762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2328227897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105828530 + ... + 105828551.

It is an arithmetic number, because the mean of its divisors is an integer number (634971246).

Almost surely, 2^2328227891 is an apocalyptic number.

2328227891 is a deficient number, since it is larger than the sum of its proper divisors (211657093).

2328227891 is a wasteful number, since it uses less digits than its factorization.

2328227891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211657092.

The product of its digits is 193536, while the sum is 44.

The square root of 2328227891 is about 48251.7138659343. The cubic root of 2328227891 is about 1325.3843225481.

The spelling of 2328227891 in words is "two billion, three hundred twenty-eight million, two hundred twenty-seven thousand, eight hundred ninety-one".