226516638 has 8 divisors (see below), whose sum is σ = 453033288. Its totient is φ = 75505544.

The previous prime is 226516637. The next prime is 226516643. The reversal of 226516638 is 836615622.

226516638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

226516638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 226516596 and 226516605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226516637) 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, 18876381 + ... + 18876392.

It is an arithmetic number, because the mean of its divisors is an integer number (56629161).

Almost surely, 2^226516638 is an apocalyptic number.

226516638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226516638 is a wasteful number, since it uses less digits than its factorization.

226516638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37752778.

The product of its digits is 103680, while the sum is 39.

The square root of 226516638 is about 15050.4696936674. The cubic root of 226516638 is about 609.5837328431.

The spelling of 226516638 in words is "two hundred twenty-six million, five hundred sixteen thousand, six hundred thirty-eight".