228670650 has 72 divisors (see below), whose sum is σ = 661637340. Its totient is φ = 56286720.

The previous prime is 228670591. The next prime is 228670697. The reversal of 228670650 is 56076822.

It can be written as a sum of positive squares in 6 ways, for example, as 27910089 + 200760561 = 5283^2 + 14169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13695 + ... + 25394.

Almost surely, 2^228670650 is an apocalyptic number.

228670650 is an abundant number, since it is smaller than the sum of its proper divisors (432966690).

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

228670650 is a wasteful number, since it uses less digits than its factorization.

228670650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39120 (or 39112 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 228670650 is about 15121.8600046423. The cubic root of 228670650 is about 611.5098760725.

The spelling of 228670650 in words is "two hundred twenty-eight million, six hundred seventy thousand, six hundred fifty".