424400422 has 4 divisors (see below), whose sum is σ = 636600636. Its totient is φ = 212200210.

The previous prime is 424400407. The next prime is 424400423. The reversal of 424400422 is 224004424.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 424400393 and 424400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424400423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100104 + ... + 106100107.

It is an arithmetic number, because the mean of its divisors is an integer number (159150159).

Almost surely, 2^424400422 is an apocalyptic number.

424400422 is a deficient number, since it is larger than the sum of its proper divisors (212200214).

424400422 is a wasteful number, since it uses less digits than its factorization.

424400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212200213.

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

The square root of 424400422 is about 20600.9810931421. The cubic root of 424400422 is about 751.4935700606.

Adding to 424400422 its reverse (224004424), we get a palindrome (648404846).

The spelling of 424400422 in words is "four hundred twenty-four million, four hundred thousand, four hundred twenty-two".