226408386 has 8 divisors (see below), whose sum is σ = 452816784. Its totient is φ = 75469460.

The previous prime is 226408381. The next prime is 226408409. The reversal of 226408386 is 683804622.

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

226408386 is an admirable number.

It is a super-2 number, since 2×226408386² = 102521514502249992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226408381) 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, 18867360 + ... + 18867371.

It is an arithmetic number, because the mean of its divisors is an integer number (56602098).

Almost surely, 2^226408386 is an apocalyptic number.

226408386 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.

226408386 is a wasteful number, since it uses less digits than its factorization.

226408386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37734736.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 226408386 is about 15046.8729641743. The cubic root of 226408386 is about 609.4866109516.

The spelling of 226408386 in words is "two hundred twenty-six million, four hundred eight thousand, three hundred eighty-six".