226340161 has 8 divisors (see below), whose sum is σ = 228186504. Its totient is φ = 224501760.

The previous prime is 226340143. The next prime is 226340183. The reversal of 226340161 is 161043622.

It can be written as a sum of positive squares in 4 ways, for example, as 18225 + 226321936 = 135^2 + 15044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226340161 - 2⁵ = 226340129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226340761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63745 + ... + 67201.

It is an arithmetic number, because the mean of its divisors is an integer number (28523313).

Almost surely, 2^226340161 is an apocalyptic number.

It is an amenable number.

226340161 is a deficient number, since it is larger than the sum of its proper divisors (1846343).

226340161 is a wasteful number, since it uses less digits than its factorization.

226340161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 226340161 is about 15044.6057110182. The cubic root of 226340161 is about 609.4253847132.

Adding to 226340161 its reverse (161043622), we get a palindrome (387383783).

It can be divided in two parts, 2263 and 40161, that added together give a palindrome (42424).

The spelling of 226340161 in words is "two hundred twenty-six million, three hundred forty thousand, one hundred sixty-one".