226867213 has 6 divisors (see below), whose sum is σ = 230781134. Its totient is φ = 223018584.

The previous prime is 226867187. The next prime is 226867231. The reversal of 226867213 is 312768622.

It can be written as a sum of positive squares in only one way, i.e., 116575209 + 110292004 = 10797^2 + 10502^2 .

It is not a de Polignac number, because 226867213 - 2⁵ = 226867181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226867243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29106 + ... + 36067.

Almost surely, 2^226867213 is an apocalyptic number.

It is an amenable number.

226867213 is a deficient number, since it is larger than the sum of its proper divisors (3913921).

226867213 is an frugal number, since it uses more digits than its factorization.

226867213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65291 (or 65232 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 226867213 is about 15062.1118373221. Note that the first 3 decimals coincide. The cubic root of 226867213 is about 609.8980506859.

The spelling of 226867213 in words is "two hundred twenty-six million, eight hundred sixty-seven thousand, two hundred thirteen".