224431146 has 12 divisors (see below), whose sum is σ = 486267522. Its totient is φ = 74810376.

The previous prime is 224431121. The next prime is 224431153. The reversal of 224431146 is 641134422.

It is a happy number.

224431146 is a `hidden beast` number, since 224 + 431 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124211025 + 100220121 = 11145^2 + 10011^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6234181 + ... + 6234216.

Almost surely, 2^224431146 is an apocalyptic number.

224431146 is an abundant number, since it is smaller than the sum of its proper divisors (261836376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224431146 is a wasteful number, since it uses less digits than its factorization.

224431146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468405 (or 12468402 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 224431146 is about 14981.0261998302. The cubic root of 224431146 is about 607.7071914325.

Adding to 224431146 its reverse (641134422), we get a palindrome (865565568).

The spelling of 224431146 in words is "two hundred twenty-four million, four hundred thirty-one thousand, one hundred forty-six".