227621411 has 2 divisors, whose sum is σ = 227621412. Its totient is φ = 227621410.

The previous prime is 227621399. The next prime is 227621413. The reversal of 227621411 is 114126722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227621411 - 2¹⁰ = 227620387 is a prime.

Together with 227621413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227621413) 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 as a sum of consecutive naturals, namely, 113810705 + 113810706.

It is an arithmetic number, because the mean of its divisors is an integer number (113810706).

Almost surely, 2^227621411 is an apocalyptic number.

227621411 is a deficient number, since it is larger than the sum of its proper divisors (1).

227621411 is an equidigital number, since it uses as much as digits as its factorization.

227621411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 227621411 is about 15087.1273276260. The cubic root of 227621411 is about 610.5731520655.

The spelling of 227621411 in words is "two hundred twenty-seven million, six hundred twenty-one thousand, four hundred eleven".