226413218 has 4 divisors (see below), whose sum is σ = 339619830. Its totient is φ = 113206608.

The previous prime is 226413217. The next prime is 226413247. The reversal of 226413218 is 812314622.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 200024449 + 26388769 = 14143^2 + 5137^2 .

It is not an unprimeable number, because it can be changed into a prime (226413211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56603303 + ... + 56603306.

Almost surely, 2^226413218 is an apocalyptic number.

226413218 is a deficient number, since it is larger than the sum of its proper divisors (113206612).

226413218 is a wasteful number, since it uses less digits than its factorization.

226413218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113206611.

The product of its digits is 4608, while the sum is 29.

The square root of 226413218 is about 15047.0335282407. The cubic root of 226413218 is about 609.4909468016.

The spelling of 226413218 in words is "two hundred twenty-six million, four hundred thirteen thousand, two hundred eighteen".