2231828928 has 84 divisors (see below), whose sum is σ = 7311024240. Its totient is φ = 637664256.

The previous prime is 2231828923. The next prime is 2231828933. The reversal of 2231828928 is 8298281322.

It is an interprime number because it is at equal distance from previous prime (2231828923) and next prime (2231828933).

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-3 number, since 3×2231828928³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231828923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272733 + ... + 280796.

Almost surely, 2^2231828928 is an apocalyptic number.

2231828928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2231828928 is an abundant number, since it is smaller than the sum of its proper divisors (5079195312).

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

2231828928 is a wasteful number, since it uses less digits than its factorization.

2231828928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553554 (or 553541 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2231828928 is about 47242.2366955672. The cubic root of 2231828928 is about 1306.8336262201.

The spelling of 2231828928 in words is "two billion, two hundred thirty-one million, eight hundred twenty-eight thousand, nine hundred twenty-eight".