2021238224 has 40 divisors (see below), whose sum is σ = 3991708800. Its totient is φ = 991267200.

The previous prime is 2021238217. The next prime is 2021238227. The reversal of 2021238224 is 4228321202.

It is a junction number, because it is equal to n+sod(n) for n = 2021238193 and 2021238202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021238227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221594 + ... + 230534.

It is an arithmetic number, because the mean of its divisors is an integer number (99792720).

Almost surely, 2^2021238224 is an apocalyptic number.

It is an amenable number.

2021238224 is a deficient number, since it is larger than the sum of its proper divisors (1970470576).

2021238224 is a wasteful number, since it uses less digits than its factorization.

2021238224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2021238224 is about 44958.1830593720. The cubic root of 2021238224 is about 1264.3651037650.

Adding to 2021238224 its reverse (4228321202), we get a palindrome (6249559426).

The spelling of 2021238224 in words is "two billion, twenty-one million, two hundred thirty-eight thousand, two hundred twenty-four".