228022870 has 32 divisors (see below), whose sum is σ = 435673728. Its totient is φ = 85628928.

The previous prime is 228022859. The next prime is 228022891. The reversal of 228022870 is 78220822.

It is a happy number.

228022870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 77262 + ... + 80158.

It is an arithmetic number, because the mean of its divisors is an integer number (13614804).

Almost surely, 2^228022870 is an apocalyptic number.

228022870 is a deficient number, since it is larger than the sum of its proper divisors (207650858).

228022870 is a wasteful number, since it uses less digits than its factorization.

228022870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 228022870 is about 15100.4261529269. The cubic root of 228022870 is about 610.9318999820.

The spelling of 228022870 in words is "two hundred twenty-eight million, twenty-two thousand, eight hundred seventy".