408238226 has 8 divisors (see below), whose sum is σ = 668026224. Its totient is φ = 185562820.

The previous prime is 408238219. The next prime is 408238241. The reversal of 408238226 is 622832804.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9278120 + ... + 9278163.

It is an arithmetic number, because the mean of its divisors is an integer number (83503278).

Almost surely, 2^408238226 is an apocalyptic number.

408238226 is a deficient number, since it is larger than the sum of its proper divisors (259787998).

408238226 is a wasteful number, since it uses less digits than its factorization.

408238226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556296.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 408238226 is about 20204.9059883980. The cubic root of 408238226 is about 741.8302794255.

The spelling of 408238226 in words is "four hundred eight million, two hundred thirty-eight thousand, two hundred twenty-six".