2021274224 has 80 divisors (see below), whose sum is σ = 4208040192. Its totient is φ = 938386944.

The previous prime is 2021274217. The next prime is 2021274257. The reversal of 2021274224 is 4224721202.

It is a junction number, because it is equal to n+sod(n) for n = 2021274193 and 2021274202.

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, 1799327 + ... + 1800449.

Almost surely, 2^2021274224 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 2021274224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104020096).

2021274224 is an abundant number, since it is smaller than the sum of its proper divisors (2186765968).

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

2021274224 is a wasteful number, since it uses less digits than its factorization.

2021274224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 2021274224 is about 44958.5834296411. The cubic root of 2021274224 is about 1264.3726101989.

Adding to 2021274224 its reverse (4224721202), we get a palindrome (6245995426).

The spelling of 2021274224 in words is "two billion, twenty-one million, two hundred seventy-four thousand, two hundred twenty-four".