226335661 has 4 divisors (see below), whose sum is σ = 226503324. Its totient is φ = 226168000.

The previous prime is 226335653. The next prime is 226335667. The reversal of 226335661 is 166533622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166533622 = 2 ⋅83266811.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 199233225 = 5206^2 + 14115^2 .

It is a cyclic number.

It is not a de Polignac number, because 226335661 - 2³ = 226335653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226335667) 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 in 3 ways as a sum of consecutive naturals, for example, 81790 + ... + 84511.

It is an arithmetic number, because the mean of its divisors is an integer number (56625831).

Almost surely, 2^226335661 is an apocalyptic number.

It is an amenable number.

226335661 is a deficient number, since it is larger than the sum of its proper divisors (167663).

226335661 is a wasteful number, since it uses less digits than its factorization.

226335661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167662.

The product of its digits is 38880, while the sum is 34.

The square root of 226335661 is about 15044.4561550094. The cubic root of 226335661 is about 609.4213459066.

The spelling of 226335661 in words is "two hundred twenty-six million, three hundred thirty-five thousand, six hundred sixty-one".