22421376 has 48 divisors (see below), whose sum is σ = 64523160. Its totient is φ = 7473408.

The previous prime is 22421363. The next prime is 22421393. The reversal of 22421376 is 67312422.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8580 + ... + 10883.

Almost surely, 2^22421376 is an apocalyptic number.

It is an amenable number.

22421376 is an abundant number, since it is smaller than the sum of its proper divisors (42101784).

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

22421376 is a wasteful number, since it uses less digits than its factorization.

22421376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19483 (or 19468 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22421376 is about 4735.1215401508. The cubic root of 22421376 is about 281.9815892613.

Adding to 22421376 its reverse (67312422), we get a palindrome (89733798).

The spelling of 22421376 in words is "twenty-two million, four hundred twenty-one thousand, three hundred seventy-six".