228845870 has 32 divisors (see below), whose sum is σ = 456091776. Its totient is φ = 81972000.

The previous prime is 228845863. The next prime is 228845893. The reversal of 228845870 is 78548822.

It is a congruent number.

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, 8156 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (14252868).

Almost surely, 2^228845870 is an apocalyptic number.

228845870 is a deficient number, since it is larger than the sum of its proper divisors (227245906).

228845870 is a wasteful number, since it uses less digits than its factorization.

228845870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31136.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 228845870 is about 15127.6524946867. The cubic root of 228845870 is about 611.6660270031. Note that the first 3 decimals are identical.

The spelling of 228845870 in words is "two hundred twenty-eight million, eight hundred forty-five thousand, eight hundred seventy".