2422402021 has 16 divisors (see below), whose sum is σ = 2724099840. Its totient is φ = 2137322880.

The previous prime is 2422402001. The next prime is 2422402027. The reversal of 2422402021 is 1202042242.

2422402021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2422402021 - 2¹³ = 2422393829 is a prime.

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 2422402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422402027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728200 + ... + 731518.

It is an arithmetic number, because the mean of its divisors is an integer number (170256240).

Almost surely, 2^2422402021 is an apocalyptic number.

It is an amenable number.

2422402021 is a deficient number, since it is larger than the sum of its proper divisors (301697819).

2422402021 is a wasteful number, since it uses less digits than its factorization.

2422402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2422402021 is about 49217.9034600215. The cubic root of 2422402021 is about 1343.0187421139.

Adding to 2422402021 its reverse (1202042242), we get a palindrome (3624444263).

The spelling of 2422402021 in words is "two billion, four hundred twenty-two million, four hundred two thousand, twenty-one".