227690 has 8 divisors (see below), whose sum is σ = 409860. Its totient is φ = 91072.

The previous prime is 227671. The next prime is 227693. The reversal of 227690 is 96722.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 34969 = 439^2 + 187^2 .

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

It is a super-2 number, since 2×227690² = 103685472200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375 + ... + 11394.

2²²⁷⁶⁹⁰ is an apocalyptic number.

227690 is a deficient number, since it is larger than the sum of its proper divisors (182170).

227690 is a wasteful number, since it uses less digits than its factorization.

227690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22776.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 227690 is about 477.1687332590. The cubic root of 227690 is about 61.0634473766.

The spelling of 227690 in words is "two hundred twenty-seven thousand, six hundred ninety".