1422442021 has 48 divisors (see below), whose sum is σ = 1989586368. Its totient is φ = 999129600.

The previous prime is 1422442019. The next prime is 1422442031. The reversal of 1422442021 is 1202442241.

It is not a de Polignac number, because 1422442021 - 2¹ = 1422442019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422441983 and 1422442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422442001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298941 + ... + 303661.

It is an arithmetic number, because the mean of its divisors is an integer number (41449716).

Almost surely, 2^1422442021 is an apocalyptic number.

1422442021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422442021 is a deficient number, since it is larger than the sum of its proper divisors (567144347).

1422442021 is a wasteful number, since it uses less digits than its factorization.

1422442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1422442021 is about 37715.2756983162. The cubic root of 1422442021 is about 1124.6348170439.

Adding to 1422442021 its reverse (1202442241), we get a palindrome (2624884262).

The spelling of 1422442021 in words is "one billion, four hundred twenty-two million, four hundred forty-two thousand, twenty-one".