424204020422 has 16 divisors (see below), whose sum is σ = 783145884192. Its totient is φ = 167816975040.

The previous prime is 424204020421. The next prime is 424204020437. The reversal of 424204020422 is 224020402424.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 424204020391 and 424204020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424204020421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165395479 + ... + 1165395842.

It is an arithmetic number, because the mean of its divisors is an integer number (48946617762).

Almost surely, 2^424204020422 is an apocalyptic number.

424204020422 is a deficient number, since it is larger than the sum of its proper divisors (358941863770).

424204020422 is a wasteful number, since it uses less digits than its factorization.

424204020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330791343.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 424204020422 its reverse (224020402424), we get a palindrome (648224422846).

The spelling of 424204020422 in words is "four hundred twenty-four billion, two hundred four million, twenty thousand, four hundred twenty-two".