226444155 has 32 divisors (see below), whose sum is σ = 414801408. Its totient is φ = 103334400.

The previous prime is 226444133. The next prime is 226444187. The reversal of 226444155 is 551444622.

It is not a de Polignac number, because 226444155 - 2⁹ = 226443643 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70995 + ... + 74115.

It is an arithmetic number, because the mean of its divisors is an integer number (12962544).

Almost surely, 2^226444155 is an apocalyptic number.

226444155 is a deficient number, since it is larger than the sum of its proper divisors (188357253).

226444155 is a wasteful number, since it uses less digits than its factorization.

226444155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827.

The product of its digits is 38400, while the sum is 33.

The square root of 226444155 is about 15048.0615030641. The cubic root of 226444155 is about 609.5187057266.

Adding to 226444155 its reverse (551444622), we get a palindrome (777888777).

The spelling of 226444155 in words is "two hundred twenty-six million, four hundred forty-four thousand, one hundred fifty-five".