2021220034222 has 4 divisors (see below), whose sum is σ = 3031830051336. Its totient is φ = 1010610017110.

The previous prime is 2021220034187. The next prime is 2021220034231. The reversal of 2021220034222 is 2224300221202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2021220034222² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2021220034193 and 2021220034202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505305008554 + ... + 505305008557.

It is an arithmetic number, because the mean of its divisors is an integer number (757957512834).

Almost surely, 2^{2021220034222} is an apocalyptic number.

2021220034222 is a deficient number, since it is larger than the sum of its proper divisors (1010610017114).

2021220034222 is a wasteful number, since it uses less digits than its factorization.

2021220034222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010610017113.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2021220034222 its reverse (2224300221202), we get a palindrome (4245520255424).

The spelling of 2021220034222 in words is "two trillion, twenty-one billion, two hundred twenty million, thirty-four thousand, two hundred twenty-two".