2228719864 has 64 divisors (see below), whose sum is σ = 4935744000. Its totient is φ = 923508864.

The previous prime is 2228719841. The next prime is 2228719877. The reversal of 2228719864 is 4689178222.

It is a congruent 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, 334437 + ... + 341035.

It is an arithmetic number, because the mean of its divisors is an integer number (77121000).

Almost surely, 2^2228719864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228719864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467872000).

2228719864 is an abundant number, since it is smaller than the sum of its proper divisors (2707024136).

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

2228719864 is a wasteful number, since it uses less digits than its factorization.

2228719864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6808 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 2228719864 is about 47209.3196731323. The cubic root of 2228719864 is about 1306.2265131526.

The spelling of 2228719864 in words is "two billion, two hundred twenty-eight million, seven hundred nineteen thousand, eight hundred sixty-four".