226043661 has 16 divisors (see below), whose sum is σ = 321845760. Its totient is φ = 140804160.

The previous prime is 226043641. The next prime is 226043663. The reversal of 226043661 is 166340622.

It is not a de Polignac number, because 226043661 - 2¹⁵ = 226010893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226043663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39210 + ... + 44603.

It is an arithmetic number, because the mean of its divisors is an integer number (20115360).

Almost surely, 2^226043661 is an apocalyptic number.

It is an amenable number.

226043661 is a deficient number, since it is larger than the sum of its proper divisors (95802099).

226043661 is a wasteful number, since it uses less digits than its factorization.

226043661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83876.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 226043661 is about 15034.7484515039. The cubic root of 226043661 is about 609.1591577136.

The spelling of 226043661 in words is "two hundred twenty-six million, forty-three thousand, six hundred sixty-one".