226660547 has 4 divisors (see below), whose sum is σ = 229765560. Its totient is φ = 223555536.

The previous prime is 226660457. The next prime is 226660591. The reversal of 226660547 is 745066622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226660547 - 2¹⁴ = 226644163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226660547.

It is not an unprimeable number, because it can be changed into a prime (226660597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552397 + ... + 1552542.

It is an arithmetic number, because the mean of its divisors is an integer number (57441390).

Almost surely, 2^226660547 is an apocalyptic number.

226660547 is a deficient number, since it is larger than the sum of its proper divisors (3105013).

226660547 is an equidigital number, since it uses as much as digits as its factorization.

226660547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105012.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 226660547 is about 15055.2498152638. The cubic root of 226660547 is about 609.7127977030.

The spelling of 226660547 in words is "two hundred twenty-six million, six hundred sixty thousand, five hundred forty-seven".