21341422 has 8 divisors (see below), whose sum is σ = 32040936. Its totient is φ = 10661112.

The previous prime is 21341407. The next prime is 21341479. The reversal of 21341422 is 22414312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21341422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (4005117).

Almost surely, 2^21341422 is an apocalyptic number.

21341422 is a deficient number, since it is larger than the sum of its proper divisors (10699514).

21341422 is a wasteful number, since it uses less digits than its factorization.

21341422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602.

The product of its digits is 384, while the sum is 19.

The square root of 21341422 is about 4619.6776943852. The cubic root of 21341422 is about 277.3795576125.

Adding to 21341422 its reverse (22414312), we get a palindrome (43755734).

The spelling of 21341422 in words is "twenty-one million, three hundred forty-one thousand, four hundred twenty-two".