228622065709 has 4 divisors (see below), whose sum is σ = 230885650620. Its totient is φ = 226358480800.

The previous prime is 228622065697. The next prime is 228622065739. The reversal of 228622065709 is 907560226822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206592975625 + 22029090084 = 454525^2 + 148422^2 .

It is a cyclic number.

It is not a de Polignac number, because 228622065709 - 2¹⁷ = 228621934637 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228622065739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131792304 + ... + 1131792505.

It is an arithmetic number, because the mean of its divisors is an integer number (57721412655).

Almost surely, 2^228622065709 is an apocalyptic number.

It is an amenable number.

228622065709 is a deficient number, since it is larger than the sum of its proper divisors (2263584911).

228622065709 is a wasteful number, since it uses less digits than its factorization.

228622065709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263584910.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 228622065709 in words is "two hundred twenty-eight billion, six hundred twenty-two million, sixty-five thousand, seven hundred nine".