224491949 has 16 divisors (see below), whose sum is σ = 252578304. Its totient is φ = 197761200.

The previous prime is 224491907. The next prime is 224491957. The reversal of 224491949 is 949194422.

It is a cyclic number.

It is not a de Polignac number, because 224491949 - 2¹² = 224487853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224491979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60152 + ... + 63774.

It is an arithmetic number, because the mean of its divisors is an integer number (15786144).

Almost surely, 2^224491949 is an apocalyptic number.

It is an amenable number.

224491949 is a deficient number, since it is larger than the sum of its proper divisors (28086355).

224491949 is a wasteful number, since it uses less digits than its factorization.

224491949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its digits is 186624, while the sum is 44.

The square root of 224491949 is about 14983.0553960132. The cubic root of 224491949 is about 607.7620665908.

The spelling of 224491949 in words is "two hundred twenty-four million, four hundred ninety-one thousand, nine hundred forty-nine".