2021706022 has 16 divisors (see below), whose sum is σ = 3504725280. Its totient is φ = 856709568.

The previous prime is 2021705969. The next prime is 2021706031. The reversal of 2021706022 is 2206071202.

It is a junction number, because it is equal to n+sod(n) for n = 2021705984 and 2021706002.

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, 810033 + ... + 812524.

It is an arithmetic number, because the mean of its divisors is an integer number (219045330).

Almost surely, 2^2021706022 is an apocalyptic number.

2021706022 is a deficient number, since it is larger than the sum of its proper divisors (1483019258).

2021706022 is a wasteful number, since it uses less digits than its factorization.

2021706022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622655.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2021706022 is about 44963.3853485255. The cubic root of 2021706022 is about 1264.4626383415.

Adding to 2021706022 its reverse (2206071202), we get a palindrome (4227777224).

The spelling of 2021706022 in words is "two billion, twenty-one million, seven hundred six thousand, twenty-two".