228308353 has 12 divisors (see below), whose sum is σ = 282540288. Its totient is φ = 180638640.

The previous prime is 228308321. The next prime is 228308357. The reversal of 228308353 is 353803822.

It is a happy number.

It is not a de Polignac number, because 228308353 - 2⁵ = 228308321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228308357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95313 + ... + 97678.

It is an arithmetic number, because the mean of its divisors is an integer number (23545024).

Almost surely, 2^228308353 is an apocalyptic number.

It is an amenable number.

228308353 is a deficient number, since it is larger than the sum of its proper divisors (54231935).

228308353 is a wasteful number, since it uses less digits than its factorization.

228308353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193024 (or 193011 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 228308353 is about 15109.8760087567. The cubic root of 228308353 is about 611.1867544406.

The spelling of 228308353 in words is "two hundred twenty-eight million, three hundred eight thousand, three hundred fifty-three".