226001647 has 2 divisors, whose sum is σ = 226001648. Its totient is φ = 226001646.

The previous prime is 226001623. The next prime is 226001651. The reversal of 226001647 is 746100622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226001647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226001617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113000823 + 113000824.

It is an arithmetic number, because the mean of its divisors is an integer number (113000824).

Almost surely, 2^226001647 is an apocalyptic number.

226001647 is a deficient number, since it is larger than the sum of its proper divisors (1).

226001647 is an equidigital number, since it uses as much as digits as its factorization.

226001647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 226001647 is about 15033.3511566783. The cubic root of 226001647 is about 609.1214145647.

The spelling of 226001647 in words is "two hundred twenty-six million, one thousand, six hundred forty-seven".