16226155 has 32 divisors (see below), whose sum is σ = 22560768. Its totient is φ = 11088000.

The previous prime is 16226153. The next prime is 16226159. The reversal of 16226155 is 55162261.

It is not a de Polignac number, because 16226155 - 2¹ = 16226153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16226153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127702 + ... + 127828.

It is an arithmetic number, because the mean of its divisors is an integer number (705024).

Almost surely, 2^16226155 is an apocalyptic number.

16226155 is a deficient number, since it is larger than the sum of its proper divisors (6334613).

16226155 is a wasteful number, since it uses less digits than its factorization.

16226155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 3600, while the sum is 28.

The square root of 16226155 is about 4028.1701801190. The cubic root of 16226155 is about 253.1658990967.

It can be divided in two parts, 1622 and 6155, that added together give a palindrome (7777).

The spelling of 16226155 in words is "sixteen million, two hundred twenty-six thousand, one hundred fifty-five".