228323604 has 12 divisors (see below), whose sum is σ = 532755104. Its totient is φ = 76107864.

The previous prime is 228323597. The next prime is 228323609. The reversal of 228323604 is 406323822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228323609) 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, 9513472 + ... + 9513495.

Almost surely, 2^228323604 is an apocalyptic number.

It is an amenable number.

228323604 is an abundant number, since it is smaller than the sum of its proper divisors (304431500).

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

228323604 is a wasteful number, since it uses less digits than its factorization.

228323604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19026974 (or 19026972 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 228323604 is about 15110.3806702545. The cubic root of 228323604 is about 611.2003632311.

The spelling of 228323604 in words is "two hundred twenty-eight million, three hundred twenty-three thousand, six hundred four".