22463 has 4 divisors (see below), whose sum is σ = 25680. Its totient is φ = 19248.

The previous prime is 22453. The next prime is 22469. The reversal of 22463 is 36422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36422 = 2 ⋅18211.

It is a cyclic number.

It is not a de Polignac number, because 22463 - 2⁴ = 22447 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 4 + 6³ + 3⁹ .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22469) 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, 1598 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (6420).

2²²⁴⁶³ is an apocalyptic number.

22463 is a deficient number, since it is larger than the sum of its proper divisors (3217).

22463 is an equidigital number, since it uses as much as digits as its factorization.

22463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 288, while the sum is 17.

The square root of 22463 is about 149.8766159212. The cubic root of 22463 is about 28.2155975615.

Adding to 22463 its reverse (36422), we get a palindrome (58885).

The spelling of 22463 in words is "twenty-two thousand, four hundred sixty-three".