424000422 has 24 divisors (see below), whose sum is σ = 925906176. Its totient is φ = 140219856.

The previous prime is 424000411. The next prime is 424000429. The reversal of 424000422 is 224000424.

424000422 is a `hidden beast` number, since 4 + 240 + 0 + 0 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 424000395 and 424000404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424000429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90453 + ... + 95024.

It is an arithmetic number, because the mean of its divisors is an integer number (38579424).

Almost surely, 2^424000422 is an apocalyptic number.

424000422 is an abundant number, since it is smaller than the sum of its proper divisors (501905754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424000422 is a wasteful number, since it uses less digits than its factorization.

424000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185612 (or 185609 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 424000422 is about 20591.2705290373. The cubic root of 424000422 is about 751.2574000820.

Adding to 424000422 its reverse (224000424), we get a palindrome (648000846).

The spelling of 424000422 in words is "four hundred twenty-four million, four hundred twenty-two", and thus it is an aban number.