22408454 has 8 divisors (see below), whose sum is σ = 33646320. Its totient is φ = 11193016.

The previous prime is 22408403. The next prime is 22408457. The reversal of 22408454 is 45480422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408457) 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 3 ways as a sum of consecutive naturals, for example, 2834 + ... + 7269.

It is an arithmetic number, because the mean of its divisors is an integer number (4205790).

Almost surely, 2^22408454 is an apocalyptic number.

22408454 is a deficient number, since it is larger than the sum of its proper divisors (11237866).

22408454 is a wasteful number, since it uses less digits than its factorization.

22408454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 22408454 is about 4733.7568589863. The cubic root of 22408454 is about 281.9274078361.

Adding to 22408454 its reverse (45480422), we get a palindrome (67888876).

The spelling of 22408454 in words is "twenty-two million, four hundred eight thousand, four hundred fifty-four".