2021922650404 has 24 divisors (see below), whose sum is σ = 3564511889400. Its totient is φ = 1003492006656.

The previous prime is 2021922650401. The next prime is 2021922650431. The reversal of 2021922650404 is 4040562291202.

It can be written as a sum of positive squares in 4 ways, for example, as 1248578290404 + 773344360000 = 1117398^2 + 879400^2 .

It is not an unprimeable number, because it can be changed into a prime (2021922650401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6169114 + ... + 6488590.

It is an arithmetic number, because the mean of its divisors is an integer number (148521328725).

Almost surely, 2^{2021922650404} is an apocalyptic number.

It is an amenable number.

2021922650404 is a deficient number, since it is larger than the sum of its proper divisors (1542589238996).

2021922650404 is a wasteful number, since it uses less digits than its factorization.

2021922650404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331167 (or 331165 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 2021922650404 in words is "two trillion, twenty-one billion, nine hundred twenty-two million, six hundred fifty thousand, four hundred four".