228768770 has 8 divisors (see below), whose sum is σ = 411783804. Its totient is φ = 91507504.

The previous prime is 228768739. The next prime is 228768773. The reversal of 228768770 is 77867822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201384481 + 27384289 = 14191^2 + 5233^2 .

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 (228768773) 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, 11438429 + ... + 11438448.

Almost surely, 2^228768770 is an apocalyptic number.

228768770 is a deficient number, since it is larger than the sum of its proper divisors (183015034).

228768770 is a wasteful number, since it uses less digits than its factorization.

228768770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876884.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 228768770 is about 15125.1039665848. The cubic root of 228768770 is about 611.5973275653.

The spelling of 228768770 in words is "two hundred twenty-eight million, seven hundred sixty-eight thousand, seven hundred seventy".