228835090 has 32 divisors (see below), whose sum is σ = 452075904. Its totient is φ = 82707840.

The previous prime is 228835039. The next prime is 228835097. The reversal of 228835090 is 90538822.

228835090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228835097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12142 + ... + 24598.

It is an arithmetic number, because the mean of its divisors is an integer number (14127372).

Almost surely, 2^228835090 is an apocalyptic number.

228835090 is a deficient number, since it is larger than the sum of its proper divisors (223240814).

228835090 is a wasteful number, since it uses less digits than its factorization.

228835090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 228835090 is about 15127.2961893393. The cubic root of 228835090 is about 611.6564224844.

The spelling of 228835090 in words is "two hundred twenty-eight million, eight hundred thirty-five thousand, ninety".