2216165226 has 16 divisors (see below), whose sum is σ = 4835269728. Its totient is φ = 671565200.

The previous prime is 2216165213. The next prime is 2216165327. The reversal of 2216165226 is 6225616122.

2216165226 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×2216165226² = 9822776617863262152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 16789065 + ... + 16789196.

It is an arithmetic number, because the mean of its divisors is an integer number (302204358).

Almost surely, 2^2216165226 is an apocalyptic number.

2216165226 is an abundant number, since it is smaller than the sum of its proper divisors (2619104502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216165226 is a wasteful number, since it uses less digits than its factorization.

2216165226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33578277.

The product of its digits is 17280, while the sum is 33.

The square root of 2216165226 is about 47076.1640960688. The cubic root of 2216165226 is about 1303.7691846383.

The spelling of 2216165226 in words is "two billion, two hundred sixteen million, one hundred sixty-five thousand, two hundred twenty-six".