2022002021 has 12 divisors (see below), whose sum is σ = 2304745920. Its totient is φ = 1768225680.

The previous prime is 2022001973. The next prime is 2022002033. The reversal of 2022002021 is 1202002202.

It is a de Polignac number, because none of the positive numbers 2^k-2022002021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022001993 and 2022002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022002071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311645 + ... + 318066.

It is an arithmetic number, because the mean of its divisors is an integer number (192062160).

Almost surely, 2^2022002021 is an apocalyptic number.

It is an amenable number.

2022002021 is a deficient number, since it is larger than the sum of its proper divisors (282743899).

2022002021 is a wasteful number, since it uses less digits than its factorization.

2022002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629756 (or 629743 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2022002021 is about 44966.6767840364. The cubic root of 2022002021 is about 1264.5243455347.

Adding to 2022002021 its reverse (1202002202), we get a palindrome (3224004223).

The spelling of 2022002021 in words is "two billion, twenty-two million, two thousand, twenty-one".