224204031 has 20 divisors (see below), whose sum is σ = 343095984. Its totient is φ = 145821600.

The previous prime is 224204003. The next prime is 224204039. The reversal of 224204031 is 130402422.

It is not a de Polignac number, because 224204031 - 2¹¹ = 224201983 is a prime.

It is a super-2 number, since 2×224204031² = 100534895033297922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224203995 and 224204013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224204039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30435 + ... + 37076.

Almost surely, 2^224204031 is an apocalyptic number.

224204031 is a deficient number, since it is larger than the sum of its proper divisors (118891953).

224204031 is an equidigital number, since it uses as much as digits as its factorization.

224204031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67564 (or 67555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 224204031 is about 14973.4441929704. Note that the first 3 decimals coincide. The cubic root of 224204031 is about 607.5021307653.

Adding to 224204031 its reverse (130402422), we get a palindrome (354606453).

The spelling of 224204031 in words is "two hundred twenty-four million, two hundred four thousand, thirty-one".