2422012021 has 8 divisors (see below), whose sum is σ = 2845440864. Its totient is φ = 2032457520.

The previous prime is 2422012003. The next prime is 2422012027. The reversal of 2422012021 is 1202102242.

2422012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2422012021 - 2⁹ = 2422011509 is a prime.

It is a super-2 number, since 2×2422012021² = 11732284459737008882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2422011986 and 2422012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422012027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8468431 + ... + 8468716.

It is an arithmetic number, because the mean of its divisors is an integer number (355680108).

Almost surely, 2^2422012021 is an apocalyptic number.

It is an amenable number.

2422012021 is a deficient number, since it is larger than the sum of its proper divisors (423428843).

2422012021 is a wasteful number, since it uses less digits than its factorization.

2422012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16937171.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2422012021 is about 49213.9413276360. The cubic root of 2422012021 is about 1342.9466641493.

Adding to 2422012021 its reverse (1202102242), we get a palindrome (3624114263).

The spelling of 2422012021 in words is "two billion, four hundred twenty-two million, twelve thousand, twenty-one".