2022997820 has 12 divisors (see below), whose sum is σ = 4248295464. Its totient is φ = 809199120.

The previous prime is 2022997819. The next prime is 2022997861. The reversal of 2022997820 is 287992202.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50574926 + ... + 50574965.

It is an arithmetic number, because the mean of its divisors is an integer number (354024622).

Almost surely, 2^2022997820 is an apocalyptic number.

2022997820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022997820 is an abundant number, since it is smaller than the sum of its proper divisors (2225297644).

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

2022997820 is a wasteful number, since it uses less digits than its factorization.

2022997820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101149900 (or 101149898 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2022997820 is about 44977.7480538988. The cubic root of 2022997820 is about 1264.7318965014.

The spelling of 2022997820 in words is "two billion, twenty-two million, nine hundred ninety-seven thousand, eight hundred twenty".