228764570 has 8 divisors (see below), whose sum is σ = 411776244. Its totient is φ = 91505824.

The previous prime is 228764561. The next prime is 228764587. The reversal of 228764570 is 75467822.

It can be written as a sum of positive squares in 2 ways, for example, as 209641441 + 19123129 = 14479^2 + 4373^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11438219 + ... + 11438238.

Almost surely, 2^228764570 is an apocalyptic number.

228764570 is a deficient number, since it is larger than the sum of its proper divisors (183011674).

228764570 is a wasteful number, since it uses less digits than its factorization.

228764570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876464.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 228764570 is about 15124.9651239267. The cubic root of 228764570 is about 611.5935847402.

The spelling of 228764570 in words is "two hundred twenty-eight million, seven hundred sixty-four thousand, five hundred seventy".