224623431 has 24 divisors (see below), whose sum is σ = 344597760. Its totient is φ = 140507136.

The previous prime is 224623423. The next prime is 224623457. The reversal of 224623431 is 134326422.

224623431 is a `hidden beast` number, since 2 + 2 + 4 + 623 + 4 + 31 = 666.

It is not a de Polignac number, because 224623431 - 2³ = 224623423 is a prime.

It is a super-2 number, since 2×224623431² = 100911371508423522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224623395 and 224623404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224623471) 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 23 ways as a sum of consecutive naturals, for example, 51930 + ... + 56088.

It is an arithmetic number, because the mean of its divisors is an integer number (14358240).

Almost surely, 2^224623431 is an apocalyptic number.

224623431 is a deficient number, since it is larger than the sum of its proper divisors (119974329).

224623431 is a wasteful number, since it uses less digits than its factorization.

224623431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4532 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 224623431 is about 14987.4424435926. The cubic root of 224623431 is about 607.8806961998.

Adding to 224623431 its reverse (134326422), we get a palindrome (358949853).

The spelling of 224623431 in words is "two hundred twenty-four million, six hundred twenty-three thousand, four hundred thirty-one".