22496489 has 4 divisors (see below), whose sum is σ = 23272260. Its totient is φ = 21720720.

The previous prime is 22496479. The next prime is 22496497. The reversal of 22496489 is 98469422.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 8508889 = 3740^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 22496489 - 2⁴ = 22496473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22496479) 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, 387842 + ... + 387899.

It is an arithmetic number, because the mean of its divisors is an integer number (5818065).

Almost surely, 2^22496489 is an apocalyptic number.

22496489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22496489 is a deficient number, since it is larger than the sum of its proper divisors (775771).

22496489 is an equidigital number, since it uses as much as digits as its factorization.

22496489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775770.

The product of its digits is 248832, while the sum is 44.

The square root of 22496489 is about 4743.0463839183. The cubic root of 22496489 is about 282.2961235560.

The spelling of 22496489 in words is "twenty-two million, four hundred ninety-six thousand, four hundred eighty-nine".