2022401820 has 24 divisors (see below), whose sum is σ = 5662725264. Its totient is φ = 539307136.

The previous prime is 2022401789. The next prime is 2022401851. The reversal of 2022401820 is 281042202.

It is a happy number.

2022401820 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2022401789) and next prime (2022401851).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16853289 + ... + 16853408.

It is an arithmetic number, because the mean of its divisors is an integer number (235946886).

Almost surely, 2^2022401820 is an apocalyptic number.

2022401820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022401820 is an abundant number, since it is smaller than the sum of its proper divisors (3640323444).

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

2022401820 is a wasteful number, since it uses less digits than its factorization.

2022401820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706709 (or 33706707 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2022401820 is about 44971.1220673890. The cubic root of 2022401820 is about 1264.6076824531.

The spelling of 2022401820 in words is "two billion, twenty-two million, four hundred one thousand, eight hundred twenty".