226280665 has 8 divisors (see below), whose sum is σ = 292424328. Its totient is φ = 167099520.

The previous prime is 226280653. The next prime is 226280669. The reversal of 226280665 is 566082622.

It can be written as a sum of positive squares in 4 ways, for example, as 3316041 + 222964624 = 1821^2 + 14932^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-226280665 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226280669) 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, 1740556 + ... + 1740685.

It is an arithmetic number, because the mean of its divisors is an integer number (36553041).

Almost surely, 2^226280665 is an apocalyptic number.

It is an amenable number.

226280665 is a deficient number, since it is larger than the sum of its proper divisors (66143663).

226280665 is a wasteful number, since it uses less digits than its factorization.

226280665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481259.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 226280665 is about 15042.6282610453. The cubic root of 226280665 is about 609.3719819794.

The spelling of 226280665 in words is "two hundred twenty-six million, two hundred eighty thousand, six hundred sixty-five".