228013394 has 16 divisors (see below), whose sum is σ = 394468800. Its totient is φ = 96822864.

The previous prime is 228013343. The next prime is 228013411. The reversal of 228013394 is 493310822.

It is a happy number.

228013394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228013394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73184 + ... + 76235.

It is an arithmetic number, because the mean of its divisors is an integer number (24654300).

Almost surely, 2^228013394 is an apocalyptic number.

228013394 is a deficient number, since it is larger than the sum of its proper divisors (166455406).

228013394 is a wasteful number, since it uses less digits than its factorization.

228013394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149537.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 228013394 is about 15100.1123836877. The cubic root of 228013394 is about 610.9234369846.

The spelling of 228013394 in words is "two hundred twenty-eight million, thirteen thousand, three hundred ninety-four".