224947449 has 20 divisors (see below), whose sum is σ = 336602640. Its totient is φ = 149710680.

The previous prime is 224947447. The next prime is 224947477. The reversal of 224947449 is 944749422.

It is not a de Polignac number, because 224947449 - 2¹ = 224947447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224947447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53962 + ... + 57980.

It is an arithmetic number, because the mean of its divisors is an integer number (16830132).

Almost surely, 2^224947449 is an apocalyptic number.

It is an amenable number.

224947449 is a deficient number, since it is larger than the sum of its proper divisors (111655191).

224947449 is an equidigital number, since it uses as much as digits as its factorization.

224947449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4713 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 224947449 is about 14998.2481977063. The cubic root of 224947449 is about 608.1728439004.

The spelling of 224947449 in words is "two hundred twenty-four million, nine hundred forty-seven thousand, four hundred forty-nine".