227069137 has 4 divisors (see below), whose sum is σ = 227111476. Its totient is φ = 227026800.

The previous prime is 227069131. The next prime is 227069191. The reversal of 227069137 is 731960722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75064896 + 152004241 = 8664^2 + 12329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227069137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227069096 and 227069105.

It is not an unprimeable number, because it can be changed into a prime (227069131) 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 3 ways as a sum of consecutive naturals, for example, 11718 + ... + 24319.

It is an arithmetic number, because the mean of its divisors is an integer number (56777869).

Almost surely, 2^227069137 is an apocalyptic number.

It is an amenable number.

227069137 is a deficient number, since it is larger than the sum of its proper divisors (42339).

227069137 is an equidigital number, since it uses as much as digits as its factorization.

227069137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42338.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 227069137 is about 15068.8133905759. The cubic root of 227069137 is about 610.0789443649.

The spelling of 227069137 in words is "two hundred twenty-seven million, sixty-nine thousand, one hundred thirty-seven".