227267145 has 36 divisors (see below), whose sum is σ = 458249220. Its totient is φ = 103892544.

The previous prime is 227267129. The next prime is 227267207. The reversal of 227267145 is 541762722.

It is a happy number.

227267145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142277184 + 84989961 = 11928^2 + 9219^2 .

It is not a de Polignac number, because 227267145 - 2⁴ = 227267129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49330 + ... + 53739.

It is an arithmetic number, because the mean of its divisors is an integer number (12729145).

Almost surely, 2^227267145 is an apocalyptic number.

It is an amenable number.

227267145 is an abundant number, since it is smaller than the sum of its proper divisors (230982075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227267145 is a wasteful number, since it uses less digits than its factorization.

227267145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103094 (or 103084 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 227267145 is about 15075.3820847102. The cubic root of 227267145 is about 610.2562257822.

The spelling of 227267145 in words is "two hundred twenty-seven million, two hundred sixty-seven thousand, one hundred forty-five".