228622406 has 8 divisors (see below), whose sum is σ = 346138920. Its totient is φ = 113242768.

The previous prime is 228622397. The next prime is 228622417. The reversal of 228622406 is 604226822.

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

It is a Curzon number.

It is a congruent number.

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, 533951 + ... + 534378.

It is an arithmetic number, because the mean of its divisors is an integer number (43267365).

Almost surely, 2^228622406 is an apocalyptic number.

228622406 is a deficient number, since it is larger than the sum of its proper divisors (117516514).

228622406 is a wasteful number, since it uses less digits than its factorization.

228622406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068438.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 228622406 is about 15120.2647463594. The cubic root of 228622406 is about 611.4668684290.

The spelling of 228622406 in words is "two hundred twenty-eight million, six hundred twenty-two thousand, four hundred six".