2228764386 has 32 divisors (see below), whose sum is σ = 4499930880. Its totient is φ = 735888384.

The previous prime is 2228764339. The next prime is 2228764397. The reversal of 2228764386 is 6834678222.

It is a super-3 number, since 3×2228764386³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272736 + ... + 280788.

It is an arithmetic number, because the mean of its divisors is an integer number (140622840).

Almost surely, 2^2228764386 is an apocalyptic number.

2228764386 is an abundant number, since it is smaller than the sum of its proper divisors (2271166494).

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

2228764386 is a wasteful number, since it uses less digits than its factorization.

2228764386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490.

The product of its digits is 1548288, while the sum is 48.

The square root of 2228764386 is about 47209.7912090278. The cubic root of 2228764386 is about 1306.2352110350.

The spelling of 2228764386 in words is "two billion, two hundred twenty-eight million, seven hundred sixty-four thousand, three hundred eighty-six".