22489463 has 4 divisors (see below), whose sum is σ = 22806288. Its totient is φ = 22172640.

The previous prime is 22489457. The next prime is 22489507. The reversal of 22489463 is 36498422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22489463 - 2⁴ = 22489447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22489433) 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, 158306 + ... + 158447.

It is an arithmetic number, because the mean of its divisors is an integer number (5701572).

Almost surely, 2^22489463 is an apocalyptic number.

22489463 is a deficient number, since it is larger than the sum of its proper divisors (316825).

22489463 is an equidigital number, since it uses as much as digits as its factorization.

22489463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316824.

The product of its digits is 82944, while the sum is 38.

The square root of 22489463 is about 4742.3056628606. The cubic root of 22489463 is about 282.2667320202.

It can be divided in two parts, 2248 and 9463, that added together give a palindrome (11711).

The spelling of 22489463 in words is "twenty-two million, four hundred eighty-nine thousand, four hundred sixty-three".