2021422 has 8 divisors (see below), whose sum is σ = 3265416. Its totient is φ = 932952.

The previous prime is 2021381. The next prime is 2021431. The reversal of 2021422 is 2241202.

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

It is a super-3 number, since 3×2021422³ = 24779481729313330344, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38848 + ... + 38899.

It is an arithmetic number, because the mean of its divisors is an integer number (408177).

2^2021422 is an apocalyptic number.

2021422 is a deficient number, since it is larger than the sum of its proper divisors (1243994).

2021422 is a wasteful number, since it uses less digits than its factorization.

2021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77762.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2021422 is about 1421.7672102000. The cubic root of 2021422 is about 126.4403422342.

Adding to 2021422 its reverse (2241202), we get a palindrome (4262624).

The spelling of 2021422 in words is "two million, twenty-one thousand, four hundred twenty-two".