227073197 has 4 divisors (see below), whose sum is σ = 244540380. Its totient is φ = 209606016.

The previous prime is 227073193. The next prime is 227073271. The reversal of 227073197 is 791370722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791370722 = 2 ⋅395685361.

It can be written as a sum of positive squares in 2 ways, for example, as 102839881 + 124233316 = 10141^2 + 11146^2 .

It is a cyclic number.

It is not a de Polignac number, because 227073197 - 2² = 227073193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227073197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227073193) 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, 8733572 + ... + 8733597.

It is an arithmetic number, because the mean of its divisors is an integer number (61135095).

Almost surely, 2^227073197 is an apocalyptic number.

It is an amenable number.

227073197 is a deficient number, since it is larger than the sum of its proper divisors (17467183).

227073197 is a wasteful number, since it uses less digits than its factorization.

227073197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17467182.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 227073197 is about 15068.9481052926. The cubic root of 227073197 is about 610.0825804172.

The spelling of 227073197 in words is "two hundred twenty-seven million, seventy-three thousand, one hundred ninety-seven".