226225211 has 4 divisors (see below), whose sum is σ = 227172000. Its totient is φ = 225278424.

The previous prime is 226225187. The next prime is 226225247. The reversal of 226225211 is 112522622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226225211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226225261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 473036 + ... + 473513.

It is an arithmetic number, because the mean of its divisors is an integer number (56793000).

Almost surely, 2^226225211 is an apocalyptic number.

226225211 is a deficient number, since it is larger than the sum of its proper divisors (946789).

226225211 is an equidigital number, since it uses as much as digits as its factorization.

226225211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946788.

The product of its digits is 960, while the sum is 23.

The square root of 226225211 is about 15040.7849196776. The cubic root of 226225211 is about 609.3221988561.

Adding to 226225211 its reverse (112522622), we get a palindrome (338747833).

The spelling of 226225211 in words is "two hundred twenty-six million, two hundred twenty-five thousand, two hundred eleven".