2226150221165 has 16 divisors (see below), whose sum is σ = 2883111595056. Its totient is φ = 1640360294400.

The previous prime is 2226150221149. The next prime is 2226150221189. The reversal of 2226150221165 is 5611220516222.

It can be written as a sum of positive squares in 8 ways, for example, as 15177500809 + 2210972720356 = 123197^2 + 1486934^2 .

It is not a de Polignac number, because 2226150221165 - 2⁴ = 2226150221149 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 15 ways as a sum of consecutive naturals, for example, 37115876 + ... + 37175805.

It is an arithmetic number, because the mean of its divisors is an integer number (180194474691).

Almost surely, 2^{2226150221165} is an apocalyptic number.

It is an amenable number.

2226150221165 is a deficient number, since it is larger than the sum of its proper divisors (656961373891).

2226150221165 is a wasteful number, since it uses less digits than its factorization.

2226150221165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74292160.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2226150221165 its reverse (5611220516222), we get a palindrome (7837370737387).

The spelling of 2226150221165 in words is "two trillion, two hundred twenty-six billion, one hundred fifty million, two hundred twenty-one thousand, one hundred sixty-five".