2022543420 has 48 divisors (see below), whose sum is σ = 5665436448. Its totient is φ = 539124480.

The previous prime is 2022543409. The next prime is 2022543427. The reversal of 2022543420 is 243452202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022543427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185562 + ... + 196158.

It is an arithmetic number, because the mean of its divisors is an integer number (118029926).

Almost surely, 2^2022543420 is an apocalyptic number.

2022543420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022543420 is an abundant number, since it is smaller than the sum of its proper divisors (3642893028).

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

2022543420 is a wasteful number, since it uses less digits than its factorization.

2022543420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2022543420 is about 44972.6963834725. The cubic root of 2022543420 is about 1264.6371959202.

Adding to 2022543420 its reverse (243452202), we get a palindrome (2265995622).

The spelling of 2022543420 in words is "two billion, twenty-two million, five hundred forty-three thousand, four hundred twenty".