2228764387 has 8 divisors (see below), whose sum is σ = 2314403280. Its totient is φ = 2144615040.

The previous prime is 2228764339. The next prime is 2228764397. The reversal of 2228764387 is 7834678222.

2228764387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2228764387 - 2¹⁵ = 2228731619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228764387.

It is not an unprimeable number, because it can be changed into a prime (2228764327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369337 + ... + 375322.

It is an arithmetic number, because the mean of its divisors is an integer number (289300410).

Almost surely, 2^2228764387 is an apocalyptic number.

2228764387 is a deficient number, since it is larger than the sum of its proper divisors (85638893).

2228764387 is an equidigital number, since it uses as much as digits as its factorization.

2228764387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744773.

The product of its digits is 1806336, while the sum is 49.

The square root of 2228764387 is about 47209.7912196188. The cubic root of 2228764387 is about 1306.2352112304.

The spelling of 2228764387 in words is "two billion, two hundred twenty-eight million, seven hundred sixty-four thousand, three hundred eighty-seven".