2228829438 has 96 divisors (see below), whose sum is σ = 5212408320. Its totient is φ = 632684800.

The previous prime is 2228829391. The next prime is 2228829439. The reversal of 2228829438 is 8349288222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228829439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5171083 + ... + 5171513.

It is an arithmetic number, because the mean of its divisors is an integer number (54295920).

Almost surely, 2^2228829438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228829438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606204160).

2228829438 is an abundant number, since it is smaller than the sum of its proper divisors (2983578882).

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

2228829438 is a wasteful number, since it uses less digits than its factorization.

2228829438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 883 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 2228829438 is about 47210.4801712501. The cubic root of 2228829438 is about 1306.2479194796.

The spelling of 2228829438 in words is "two billion, two hundred twenty-eight million, eight hundred twenty-nine thousand, four hundred thirty-eight".