226401653 has 2 divisors, whose sum is σ = 226401654. Its totient is φ = 226401652.

The previous prime is 226401647. The next prime is 226401661. The reversal of 226401653 is 356104622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178970884 + 47430769 = 13378^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 226401653 - 2¹⁸ = 226139509 is a prime.

It is a super-2 number, since 2×226401653² = 102515416962264818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226401353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113200826 + 113200827.

It is an arithmetic number, because the mean of its divisors is an integer number (113200827).

Almost surely, 2^226401653 is an apocalyptic number.

It is an amenable number.

226401653 is a deficient number, since it is larger than the sum of its proper divisors (1).

226401653 is an equidigital number, since it uses as much as digits as its factorization.

226401653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 226401653 is about 15046.6492283166. The cubic root of 226401653 is about 609.4805691936.

The spelling of 226401653 in words is "two hundred twenty-six million, four hundred one thousand, six hundred fifty-three".