424040224 has 12 divisors (see below), whose sum is σ = 834829254. Its totient is φ = 212020096.

The previous prime is 424040147. The next prime is 424040237. The reversal of 424040224 is 422040424.

It can be written as a sum of positive squares in only one way, i.e., 386830224 + 37210000 = 19668^2 + 6100^2 .

It is a super-2 number, since 2×424040224² = 359620223139940352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424040195 and 424040204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625597 + ... + 6625660.

Almost surely, 2^424040224 is an apocalyptic number.

It is an amenable number.

424040224 is a deficient number, since it is larger than the sum of its proper divisors (410789030).

424040224 is a wasteful number, since it uses less digits than its factorization.

424040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13251267 (or 13251259 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 424040224 is about 20592.2369838733. The cubic root of 424040224 is about 751.2809068286.

Adding to 424040224 its reverse (422040424), we get a palindrome (846080648).

The spelling of 424040224 in words is "four hundred twenty-four million, forty thousand, two hundred twenty-four".