424242422 has 16 divisors (see below), whose sum is σ = 651100032. Its totient is φ = 207242880.

The previous prime is 424242419. The next prime is 424242449. The reversal of 424242422 is 224242424.

It is a super-4 number, since 4×424242422⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424242391 and 424242400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17243 + ... + 33849.

It is an arithmetic number, because the mean of its divisors is an integer number (40693752).

Almost surely, 2^424242422 is an apocalyptic number.

424242422 is a deficient number, since it is larger than the sum of its proper divisors (226857610).

424242422 is a wasteful number, since it uses less digits than its factorization.

424242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903.

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

The square root of 424242422 is about 20597.1459673422. The cubic root of 424242422 is about 751.4003006577.

Adding to 424242422 its reverse (224242424), we get a palindrome (648484846).

It can be divided in two parts, 4242 and 42422, that added together give a palindrome (46664).

The spelling of 424242422 in words is "four hundred twenty-four million, two hundred forty-two thousand, four hundred twenty-two".