227809137 has 8 divisors (see below), whose sum is σ = 303878880. Its totient is φ = 151806080.

The previous prime is 227809133. The next prime is 227809147. The reversal of 227809137 is 731908722.

227809137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 227809137 - 2² = 227809133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227809095 and 227809104.

It is not an unprimeable number, because it can be changed into a prime (227809133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8064 + ... + 22817.

It is an arithmetic number, because the mean of its divisors is an integer number (37984860).

Almost surely, 2^227809137 is an apocalyptic number.

It is an amenable number.

227809137 is a deficient number, since it is larger than the sum of its proper divisors (76069743).

227809137 is a wasteful number, since it uses less digits than its factorization.

227809137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33343.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 227809137 is about 15093.3474418368. The cubic root of 227809137 is about 610.7409584231.

The spelling of 227809137 in words is "two hundred twenty-seven million, eight hundred nine thousand, one hundred thirty-seven".