228701655 has 48 divisors (see below), whose sum is σ = 487905600. Its totient is φ = 96505344.

The previous prime is 228701633. The next prime is 228701687. The reversal of 228701655 is 556107822.

It is a happy number.

It is not a de Polignac number, because 228701655 - 2⁵ = 228701623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23830 + ... + 32019.

It is an arithmetic number, because the mean of its divisors is an integer number (10164700).

Almost surely, 2^228701655 is an apocalyptic number.

228701655 is an abundant number, since it is smaller than the sum of its proper divisors (259203945).

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

228701655 is a wasteful number, since it uses less digits than its factorization.

228701655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55880 (or 55877 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 228701655 is about 15122.8851414008. The cubic root of 228701655 is about 611.5375126273.

The spelling of 228701655 in words is "two hundred twenty-eight million, seven hundred one thousand, six hundred fifty-five".