226620005 has 8 divisors (see below), whose sum is σ = 279294072. Its totient is φ = 176395968.

The previous prime is 226619983. The next prime is 226620029. The reversal of 226620005 is 500026622.

It is a happy number.

226620005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11792356 + 214827649 = 3434^2 + 14657^2 .

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 226620005 - 2⁸ = 226619749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612302 + ... + 612671.

It is an arithmetic number, because the mean of its divisors is an integer number (34911759).

Almost surely, 2^226620005 is an apocalyptic number.

It is an amenable number.

226620005 is a deficient number, since it is larger than the sum of its proper divisors (52674067).

226620005 is a wasteful number, since it uses less digits than its factorization.

226620005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225015.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 226620005 is about 15053.9033144231. The cubic root of 226620005 is about 609.6764431182.

Adding to 226620005 its reverse (500026622), we get a palindrome (726646627).

The spelling of 226620005 in words is "two hundred twenty-six million, six hundred twenty thousand, five".