228927097 has 4 divisors (see below), whose sum is σ = 261630976. Its totient is φ = 196223220.

The previous prime is 228927091. The next prime is 228927121. The reversal of 228927097 is 790729822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790729822 = 2 ⋅395364911.

It is a cyclic number.

It is not a de Polignac number, because 228927097 - 2³ = 228927089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228927091) 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, 16351929 + ... + 16351942.

It is an arithmetic number, because the mean of its divisors is an integer number (65407744).

Almost surely, 2^228927097 is an apocalyptic number.

It is an amenable number.

228927097 is a deficient number, since it is larger than the sum of its proper divisors (32703879).

228927097 is an equidigital number, since it uses as much as digits as its factorization.

228927097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703878.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 228927097 is about 15130.3369757583. The cubic root of 228927097 is about 611.7383870873.

The spelling of 228927097 in words is "two hundred twenty-eight million, nine hundred twenty-seven thousand, ninety-seven".