227097261 has 12 divisors (see below), whose sum is σ = 329844060. Its totient is φ = 150560640.

The previous prime is 227097259. The next prime is 227097293. The reversal of 227097261 is 162790722.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 224100900 = 1731^2 + 14970^2 .

It is not a de Polignac number, because 227097261 - 2¹ = 227097259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227097251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68076 + ... + 71333.

It is an arithmetic number, because the mean of its divisors is an integer number (27487005).

Almost surely, 2^227097261 is an apocalyptic number.

It is an amenable number.

227097261 is a deficient number, since it is larger than the sum of its proper divisors (102746799).

227097261 is a wasteful number, since it uses less digits than its factorization.

227097261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139596 (or 139593 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 227097261 is about 15069.7465473046. The cubic root of 227097261 is about 610.1041307496.

The spelling of 227097261 in words is "two hundred twenty-seven million, ninety-seven thousand, two hundred sixty-one".