2022042221 has 4 divisors (see below), whose sum is σ = 2034447552. Its totient is φ = 2009636892.

The previous prime is 2022042181. The next prime is 2022042229. The reversal of 2022042221 is 1222402202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2022042221 - 2¹⁸ = 2021780077 is a prime.

It is a super-2 number, since 2×2022042221² = 8177309487013225682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022042221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022042229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202421 + ... + 6202746.

It is an arithmetic number, because the mean of its divisors is an integer number (508611888).

Almost surely, 2^2022042221 is an apocalyptic number.

It is an amenable number.

2022042221 is a deficient number, since it is larger than the sum of its proper divisors (12405331).

2022042221 is a wasteful number, since it uses less digits than its factorization.

2022042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405330.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2022042221 is about 44967.1237794903. The cubic root of 2022042221 is about 1264.5327256024.

Adding to 2022042221 its reverse (1222402202), we get a palindrome (3244444423).

The spelling of 2022042221 in words is "two billion, twenty-two million, forty-two thousand, two hundred twenty-one".