228430553 has 8 divisors (see below), whose sum is σ = 246236928. Its totient is φ = 210657744.

The previous prime is 228430541. The next prime is 228430567. The reversal of 228430553 is 355034822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228430553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228430253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776 + ... + 22422.

It is an arithmetic number, because the mean of its divisors is an integer number (30779616).

Almost surely, 2^228430553 is an apocalyptic number.

It is an amenable number.

228430553 is a deficient number, since it is larger than the sum of its proper divisors (17806375).

228430553 is a wasteful number, since it uses less digits than its factorization.

228430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 228430553 is about 15113.9191806758. The cubic root of 228430553 is about 611.2957790692.

The spelling of 228430553 in words is "two hundred twenty-eight million, four hundred thirty thousand, five hundred fifty-three".