22421336 has 16 divisors (see below), whose sum is σ = 48045840. Its totient is φ = 9609120.

The previous prime is 22421309. The next prime is 22421341. The reversal of 22421336 is 63312422.

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, 200135 + ... + 200246.

It is an arithmetic number, because the mean of its divisors is an integer number (3002865).

Almost surely, 2^22421336 is an apocalyptic number.

It is an amenable number.

22421336 is an abundant number, since it is smaller than the sum of its proper divisors (25624504).

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

22421336 is a wasteful number, since it uses less digits than its factorization.

22421336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400394 (or 400390 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 22421336 is about 4735.1173163925. The cubic root of 22421336 is about 281.9814215751.

Adding to 22421336 its reverse (63312422), we get a palindrome (85733758).

The spelling of 22421336 in words is "twenty-two million, four hundred twenty-one thousand, three hundred thirty-six".