424421224 has 8 divisors (see below), whose sum is σ = 795789810. Its totient is φ = 212210608.

The previous prime is 424421203. The next prime is 424421227. The reversal of 424421224 is 422124424.

It can be written as a sum of positive squares in only one way, i.e., 359102500 + 65318724 = 18950^2 + 8082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (424421227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526319 + ... + 26526334.

Almost surely, 2^424421224 is an apocalyptic number.

It is an amenable number.

424421224 is a deficient number, since it is larger than the sum of its proper divisors (371368586).

424421224 is a wasteful number, since it uses less digits than its factorization.

424421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53052659 (or 53052655 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 424421224 is about 20601.4859658230. The cubic root of 424421224 is about 751.5058480203.

Adding to 424421224 its reverse (422124424), we get a palindrome (846545648).

The spelling of 424421224 in words is "four hundred twenty-four million, four hundred twenty-one thousand, two hundred twenty-four".