226016621587 has 2 divisors, whose sum is σ = 226016621588. Its totient is φ = 226016621586.

The previous prime is 226016621569. The next prime is 226016621609. The reversal of 226016621587 is 785126610622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226016621587 is a prime.

It is not a weakly prime, because it can be changed into another prime (226016621557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113008310793 + 113008310794.

It is an arithmetic number, because the mean of its divisors is an integer number (113008310794).

Almost surely, 2^226016621587 is an apocalyptic number.

226016621587 is a deficient number, since it is larger than the sum of its proper divisors (1).

226016621587 is an equidigital number, since it uses as much as digits as its factorization.

226016621587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 226016621587 in words is "two hundred twenty-six billion, sixteen million, six hundred twenty-one thousand, five hundred eighty-seven".