2021243022 has 12 divisors (see below), whose sum is σ = 4379359920. Its totient is φ = 673747668.

The previous prime is 2021243017. The next prime is 2021243039. The reversal of 2021243022 is 2203421202.

2021243022 is a `hidden beast` number, since 2 + 0 + 212 + 430 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 112291279 = 2021243022 / (2 + 0 + 2 + 1 + 2 + 4 + 3 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2021242986 and 2021243004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56145622 + ... + 56145657.

It is an arithmetic number, because the mean of its divisors is an integer number (364946660).

Almost surely, 2^2021243022 is an apocalyptic number.

2021243022 is an abundant number, since it is smaller than the sum of its proper divisors (2358116898).

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

2021243022 is a wasteful number, since it uses less digits than its factorization.

2021243022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112291287 (or 112291284 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2021243022 is about 44958.2364200377. The cubic root of 2021243022 is about 1264.3661042110.

Adding to 2021243022 its reverse (2203421202), we get a palindrome (4224664224).

The spelling of 2021243022 in words is "two billion, twenty-one million, two hundred forty-three thousand, twenty-two".