224857449 has 24 divisors (see below), whose sum is σ = 333315840. Its totient is φ = 145992672.

The previous prime is 224857433. The next prime is 224857459. The reversal of 224857449 is 944758422.

It is not a de Polignac number, because 224857449 - 2⁴ = 224857433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224857459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184767 + ... + 185979.

It is an arithmetic number, because the mean of its divisors is an integer number (13888160).

Almost surely, 2^224857449 is an apocalyptic number.

It is an amenable number.

224857449 is a deficient number, since it is larger than the sum of its proper divisors (108458391).

224857449 is a wasteful number, since it uses less digits than its factorization.

224857449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 224857449 is about 14995.2475471397. The cubic root of 224857449 is about 608.0917244247.

The spelling of 224857449 in words is "two hundred twenty-four million, eight hundred fifty-seven thousand, four hundred forty-nine".