226638718 has 8 divisors (see below), whose sum is σ = 340846848. Its totient is φ = 113023104.

The previous prime is 226638703. The next prime is 226638719. The reversal of 226638718 is 817836622.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226638719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147171 + ... + 148702.

It is an arithmetic number, because the mean of its divisors is an integer number (42605856).

Almost surely, 2^226638718 is an apocalyptic number.

226638718 is a deficient number, since it is larger than the sum of its proper divisors (114208130).

226638718 is a wasteful number, since it uses less digits than its factorization.

226638718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296258.

The product of its digits is 193536, while the sum is 43.

The square root of 226638718 is about 15054.5248347465. The cubic root of 226638718 is about 609.6932238687.

The spelling of 226638718 in words is "two hundred twenty-six million, six hundred thirty-eight thousand, seven hundred eighteen".