228031455 has 32 divisors (see below), whose sum is σ = 387681984. Its totient is φ = 114057216.

The previous prime is 228031403. The next prime is 228031511. The reversal of 228031455 is 554130822.

It is a de Polignac number, because none of the positive numbers 2^k-228031455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78387 + ... + 81243.

It is an arithmetic number, because the mean of its divisors is an integer number (12115062).

Almost surely, 2^228031455 is an apocalyptic number.

228031455 is a deficient number, since it is larger than the sum of its proper divisors (159650529).

228031455 is a wasteful number, since it uses less digits than its factorization.

228031455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 228031455 is about 15100.7104137521. The cubic root of 228031455 is about 610.9395670266.

The spelling of 228031455 in words is "two hundred twenty-eight million, thirty-one thousand, four hundred fifty-five".