21341622 has 16 divisors (see below), whose sum is σ = 44155440. Its totient is φ = 6868512.

The previous prime is 21341611. The next prime is 21341627. The reversal of 21341622 is 22614312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61153 + ... + 61500.

It is an arithmetic number, because the mean of its divisors is an integer number (2759715).

Almost surely, 2^21341622 is an apocalyptic number.

21341622 is an abundant number, since it is smaller than the sum of its proper divisors (22813818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21341622 is a wasteful number, since it uses less digits than its factorization.

21341622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122687.

The product of its digits is 576, while the sum is 21.

The square root of 21341622 is about 4619.6993408662. The cubic root of 21341622 is about 277.3804240924.

Adding to 21341622 its reverse (22614312), we get a palindrome (43955934).

The spelling of 21341622 in words is "twenty-one million, three hundred forty-one thousand, six hundred twenty-two".