227602381 has 2 divisors, whose sum is σ = 227602382. Its totient is φ = 227602380.

The previous prime is 227602373. The next prime is 227602489. The reversal of 227602381 is 183206722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 2452356 = 15005^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 227602381 - 2³ = 227602373 is a prime.

It is a super-2 number, since 2×227602381² = 103605687673738322, which contains 22 as substring.

It is equal to p_12518068 and since 227602381 and 12518068 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227602981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113801190 + 113801191.

It is an arithmetic number, because the mean of its divisors is an integer number (113801191).

Almost surely, 2^227602381 is an apocalyptic number.

It is an amenable number.

227602381 is a deficient number, since it is larger than the sum of its proper divisors (1).

227602381 is an equidigital number, since it uses as much as digits as its factorization.

227602381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 227602381 is about 15086.4966443505. The cubic root of 227602381 is about 610.5561361927.

The spelling of 227602381 in words is "two hundred twenty-seven million, six hundred two thousand, three hundred eighty-one".