226211215 has 8 divisors (see below), whose sum is σ = 274141728. Its totient is φ = 179176800.

The previous prime is 226211203. The next prime is 226211221. The reversal of 226211215 is 512112622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226211215 - 2⁷ = 226211087 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 223467 + ... + 224476.

It is an arithmetic number, because the mean of its divisors is an integer number (34267716).

Almost surely, 2^226211215 is an apocalyptic number.

226211215 is a deficient number, since it is larger than the sum of its proper divisors (47930513).

226211215 is a wasteful number, since it uses less digits than its factorization.

226211215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448049.

The product of its digits is 480, while the sum is 22.

The square root of 226211215 is about 15040.3196442097. The cubic root of 226211215 is about 609.3096328393.

Adding to 226211215 its reverse (512112622), we get a palindrome (738323837).

The spelling of 226211215 in words is "two hundred twenty-six million, two hundred eleven thousand, two hundred fifteen".