224681489 has 4 divisors (see below), whose sum is σ = 226781424. Its totient is φ = 222581556.

The previous prime is 224681467. The next prime is 224681491. The reversal of 224681489 is 984186422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224681489 - 2¹² = 224677393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224681449) 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, 1049807 + ... + 1050020.

It is an arithmetic number, because the mean of its divisors is an integer number (56695356).

Almost surely, 2^224681489 is an apocalyptic number.

It is an amenable number.

224681489 is a deficient number, since it is larger than the sum of its proper divisors (2099935).

224681489 is a wasteful number, since it uses less digits than its factorization.

224681489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099934.

The product of its digits is 221184, while the sum is 44.

The square root of 224681489 is about 14989.3792066249. The cubic root of 224681489 is about 607.9330642855.

The spelling of 224681489 in words is "two hundred twenty-four million, six hundred eighty-one thousand, four hundred eighty-nine".