22454 has 8 divisors (see below), whose sum is σ = 34320. Its totient is φ = 11016.

The previous prime is 22453. The next prime is 22469. The reversal of 22454 is 45422.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152 + ... + 260.

It is an arithmetic number, because the mean of its divisors is an integer number (4290).

2²²⁴⁵⁴ is an apocalyptic number.

22454 is a deficient number, since it is larger than the sum of its proper divisors (11866).

22454 is a wasteful number, since it uses less digits than its factorization.

22454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its digits is 320, while the sum is 17.

The square root of 22454 is about 149.8465882161. The cubic root of 22454 is about 28.2118287817.

Adding to 22454 its reverse (45422), we get a palindrome (67876).

The spelling of 22454 in words is "twenty-two thousand, four hundred fifty-four".