228646970 has 8 divisors (see below), whose sum is σ = 411564564. Its totient is φ = 91458784.

The previous prime is 228646961. The next prime is 228646973. The reversal of 228646970 is 79646822.

It can be written as a sum of positive squares in 2 ways, for example, as 197655481 + 30991489 = 14059^2 + 5567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (228646973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432339 + ... + 11432358.

Almost surely, 2^228646970 is an apocalyptic number.

228646970 is a deficient number, since it is larger than the sum of its proper divisors (182917594).

228646970 is a wasteful number, since it uses less digits than its factorization.

228646970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22864704.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 228646970 is about 15121.0770119063. The cubic root of 228646970 is about 611.4887670325.

The spelling of 228646970 in words is "two hundred twenty-eight million, six hundred forty-six thousand, nine hundred seventy".