224681949 has 12 divisors (see below), whose sum is σ = 331446336. Its totient is φ = 146600712.

The previous prime is 224681939. The next prime is 224681953. The reversal of 224681949 is 949186422.

It is not a de Polignac number, because 224681949 - 2¹⁵ = 224649181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224681909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265159 + ... + 266004.

It is an arithmetic number, because the mean of its divisors is an integer number (27620528).

Almost surely, 2^224681949 is an apocalyptic number.

It is an amenable number.

224681949 is a deficient number, since it is larger than the sum of its proper divisors (106764387).

224681949 is a wasteful number, since it uses less digits than its factorization.

224681949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531216 (or 531213 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 224681949 is about 14989.3945508149. The cubic root of 224681949 is about 607.9334791676.

The spelling of 224681949 in words is "two hundred twenty-four million, six hundred eighty-one thousand, nine hundred forty-nine".