227516897 has 4 divisors (see below), whose sum is σ = 237408960. Its totient is φ = 217624836.

The previous prime is 227516881. The next prime is 227516909. The reversal of 227516897 is 798615722.

It is a happy number.

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: 798615722 = 2 ⋅399307861.

It is a cyclic number.

It is not a de Polignac number, because 227516897 - 2⁴ = 227516881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227516297) 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, 4945997 + ... + 4946042.

It is an arithmetic number, because the mean of its divisors is an integer number (59352240).

Almost surely, 2^227516897 is an apocalyptic number.

It is an amenable number.

227516897 is a deficient number, since it is larger than the sum of its proper divisors (9892063).

227516897 is an equidigital number, since it uses as much as digits as its factorization.

227516897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892062.

The product of its digits is 423360, while the sum is 47.

The square root of 227516897 is about 15083.6632486939. The cubic root of 227516897 is about 610.4796880815.

The spelling of 227516897 in words is "two hundred twenty-seven million, five hundred sixteen thousand, eight hundred ninety-seven".