224286491 has 48 divisors (see below), whose sum is σ = 288396288. Its totient is φ = 172224000.

The previous prime is 224286479. The next prime is 224286509. The reversal of 224286491 is 194682422.

It is a happy number.

It is not a de Polignac number, because 224286491 - 2⁶ = 224286427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224286401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485266 + ... + 1485416.

It is an arithmetic number, because the mean of its divisors is an integer number (6008256).

Almost surely, 2^224286491 is an apocalyptic number.

224286491 is a deficient number, since it is larger than the sum of its proper divisors (64109797).

224286491 is a wasteful number, since it uses less digits than its factorization.

224286491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 239 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 224286491 is about 14976.1974813368. The cubic root of 224286491 is about 607.5765993721.

The spelling of 224286491 in words is "two hundred twenty-four million, two hundred eighty-six thousand, four hundred ninety-one".