228904359 has 4 divisors (see below), whose sum is σ = 305205816. Its totient is φ = 152602904.

The previous prime is 228904331. The next prime is 228904363. The reversal of 228904359 is 953409822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228904359 - 2⁸ = 228904103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228904359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228904399) 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, 38150724 + ... + 38150729.

It is an arithmetic number, because the mean of its divisors is an integer number (76301454).

Almost surely, 2^228904359 is an apocalyptic number.

228904359 is a deficient number, since it is larger than the sum of its proper divisors (76301457).

228904359 is an equidigital number, since it uses as much as digits as its factorization.

228904359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76301456.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 228904359 is about 15129.5855528167. The cubic root of 228904359 is about 611.7181329421.

The spelling of 228904359 in words is "two hundred twenty-eight million, nine hundred four thousand, three hundred fifty-nine".