2229902784 has 140 divisors (see below), whose sum is σ = 6999238224. Its totient is φ = 699549696.

The previous prime is 2229902683. The next prime is 2229902797. The reversal of 2229902784 is 4872099222.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75477 + ... + 100779.

Almost surely, 2^2229902784 is an apocalyptic number.

2229902784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229902784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499619112).

2229902784 is an abundant number, since it is smaller than the sum of its proper divisors (4769335440).

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

2229902784 is a wasteful number, since it uses less digits than its factorization.

2229902784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344 (or 25325 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2229902784 is about 47221.8464696162. The cubic root of 2229902784 is about 1306.4575707807.

The spelling of 2229902784 in words is "two billion, two hundred twenty-nine million, nine hundred two thousand, seven hundred eighty-four".