228822890 has 32 divisors (see below), whose sum is σ = 459069120. Its totient is φ = 81609984.

The previous prime is 228822877. The next prime is 228822901. The reversal of 228822890 is 98228822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32192 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (14345910).

Almost surely, 2^228822890 is an apocalyptic number.

228822890 is an abundant number, since it is smaller than the sum of its proper divisors (230246230).

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

228822890 is a wasteful number, since it uses less digits than its factorization.

228822890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70886.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 228822890 is about 15126.8929393977. The cubic root of 228822890 is about 611.6455524426.

The spelling of 228822890 in words is "two hundred twenty-eight million, eight hundred twenty-two thousand, eight hundred ninety".