224615449 has 4 divisors (see below), whose sum is σ = 224747536. Its totient is φ = 224483364.

The previous prime is 224615437. The next prime is 224615453. The reversal of 224615449 is 944516422.

224615449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-224615449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224615459) 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, 63459 + ... + 66904.

It is an arithmetic number, because the mean of its divisors is an integer number (56186884).

Almost surely, 2^224615449 is an apocalyptic number.

It is an amenable number.

224615449 is a deficient number, since it is larger than the sum of its proper divisors (132087).

224615449 is a wasteful number, since it uses less digits than its factorization.

224615449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132086.

The product of its digits is 69120, while the sum is 37.

The square root of 224615449 is about 14987.1761516304. The cubic root of 224615449 is about 607.8734957619.

The spelling of 224615449 in words is "two hundred twenty-four million, six hundred fifteen thousand, four hundred forty-nine".