227397897 has 12 divisors (see below), whose sum is σ = 330116800. Its totient is φ = 150835608.

The previous prime is 227397869. The next prime is 227397949. The reversal of 227397897 is 798793722.

It is not a de Polignac number, because 227397897 - 2⁸ = 227397641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227397817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61693 + ... + 65274.

Almost surely, 2^227397897 is an apocalyptic number.

It is an amenable number.

227397897 is a deficient number, since it is larger than the sum of its proper divisors (102718903).

227397897 is a wasteful number, since it uses less digits than its factorization.

227397897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127172 (or 127169 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 227397897 is about 15079.7180676563. The cubic root of 227397897 is about 610.3732348126.

The spelling of 227397897 in words is "two hundred twenty-seven million, three hundred ninety-seven thousand, eight hundred ninety-seven".